Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,979

2x107^2+2x113^2+2x163^2=**101574**

(2+1)(0+7+2+2+1+1+3+2+2+1+6+3x2)=99

"The good news about computers is that they do what you tell them to do. The bad news is that they do what you tell them to do." - Ted Nelson

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,964

103^2+107^2+2108^2+2109^2+125^2+130^2 = **101673**

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

Offline

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,979

1^3+20^3+27^3+42^3=**101772**

1^3+20+3+27+3+42+3=99

"The good news about computers is that they do what you tell them to do. The bad news is that they do what you tell them to do." - Ted Nelson

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,964

96^2+107^2+108^2+2110^2+115^2+119^2+134^2 = **101871**

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

Offline

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,979

"The good news about computers is that they do what you tell them to do. The bad news is that they do what you tell them to do." - Ted Nelson

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,964

105^2+106^2+3x107^2+119^2+120^2+130^2 = **102069**

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

Offline

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,979

**102168**

October the 21st, 1968 is not my DOB.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,964

**102267**

Is not my DOB either.

**In mathematics, you don't understand things. You just get used to them.**

Offline

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,979

**102366**

Your non-DOB date is 365 days before my non-DOB date, which must have some significance, I'd say...but I don't know what.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,964

Except that I am older than you are.

**102465**

The sum of the digits of this is 9. Truly an amazing fact and one I was amazed to discover.

**In mathematics, you don't understand things. You just get used to them.**

Offline

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,979

I would have been similarly amazed - and totally astounded, gob-smacked and flabbergasted also - had I, too, discovered that incredible (non-)fact! You must have a different calculator than mine.

**102564**

The 25th of October 1964...the day on which the Rolling Stones first appeared on the Ed Sullivan Show. Their faces haven't changed one bit over the years, either!

*Last edited by phrontister (2013-11-18 23:28:29)*

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,964

Hi;

Blame M, not me.

```
IntegerDigits[102465] // Total
IntegerDigits[%] // Total
```

2x107^2+2x108^2+2x112^2+2x125^2 = **102564**

**In mathematics, you don't understand things. You just get used to them.**

Offline

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,979

Hi Bobby,

See my signature...

M code: Line 1 gives "the sum of the digits" (which is what you said) and results in 18 (which is what I got too), while line 2 goes on to give the digital root (which you didn't mention, but which I knew you meant, but ignored...because I like typing).

Ketchup: **102663**

*Last edited by phrontister (2013-11-18 23:51:03)*

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,964

Hi;

You are correct and I also got out of sync. Sorry for the error.

105^2+108^2+109^2+2110^2+111^2+123^2+129^2 = **102861**

**In mathematics, you don't understand things. You just get used to them.**

Offline

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,979

No probs...they added some spice.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,964

104^2+2112^2+2113^2+2114^2+125^2 = **103059**

**In mathematics, you don't understand things. You just get used to them.**

Offline

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,979

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,964

102^2+3x110^2+112^2+114^2+122^2+127^2 = **103257**

**In mathematics, you don't understand things. You just get used to them.**

Offline

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,979

2x105^2+2x138^2+2x147^2=**103356**

2+105-2/2+138+2-2-147+2=99

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,964

98^2+2102^2+106^2+107^2+109^2+131^2+146^2 = **103455**

**In mathematics, you don't understand things. You just get used to them.**

Offline

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,979

2x102^2+2x123^2+2x162^2=**103554**

(2+1)(0-2x2x2-123-2+2+162+2)=99

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,964

2x107^2+2x111^2+2x112^2+121^2+128^2 = **103653**

**In mathematics, you don't understand things. You just get used to them.**

Offline

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,979

2x54^2+2x144^2+2x168^2=**103752**

(-2+5)(4-2/2-144+2+2+168+2)=99

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,964

2103^2+108^2+3110^2+125^2+138^2 = **103851**

**In mathematics, you don't understand things. You just get used to them.**

Offline

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,979

Offline