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

You are not logged in.

- Topics: Active | Unanswered

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 88,690

456^2+384^2+280^2+72^2=**438976** = 76^3

**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.**

**Online**

**mathaholic****Member**- From: Juliania
- Registered: 2012-11-29
- Posts: 2,870
- Website

77 cubed equals 456,533

"What is the square root of 2? 1.4141592653589793238" Seriously, I thought it was that. Too round?

3.141592653589793238...

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 88,690

78^3 = 682^2+72^2+62^2+20^2=**474552**

**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.**

**Online**

**mathaholic****Member**- From: Juliania
- Registered: 2012-11-29
- Posts: 2,870
- Website

493,039 equals 79 cubed

"What is the square root of 2? 1.4141592653589793238" Seriously, I thought it was that. Too round?

3.141592653589793238...

Offline

**ShivamS****Member**- Registered: 2011-02-07
- Posts: 3,608

80 ^ 3 = 512000

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 88,690

676^2+272^2+20^2+9^2=**531441** = 81^3

**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.**

**Online**

**mathaholic****Member**- From: Juliania
- Registered: 2012-11-29
- Posts: 2,870
- Website

551,368 equals 82 cubed

"What is the square root of 2? 1.4141592653589793238" Seriously, I thought it was that. Too round?

3.141592653589793238...

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 88,690

539^2+324^2+319^2+273^2=**571787** = 83^3

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

**Online**

**mathaholic****Member**- From: Juliania
- Registered: 2012-11-29
- Posts: 2,870
- Website

592,704 = 84^3

3.141592653589793238...

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 88,690

626^2+379^2+208^2+188^2=**614125** =85^3

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

**Online**

**mathaholic****Member**- From: Juliania
- Registered: 2012-11-29
- Posts: 2,870
- Website

86 cubed = 636,056

*Last edited by mathaholic (2014-06-28 14:35:33)*

3.141592653589793238...

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 88,690

603^2+541^2+47^2+2^2=**658503**=87^3

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

**Online**

**mathaholic****Member**- From: Juliania
- Registered: 2012-11-29
- Posts: 2,870
- Website

681,472 = 88^3

3.141592653589793238...

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 88,690

618^2+566^2+40^2+33^2=**704969** = 89^3

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

**Online**

**Maburo****Member**- From: Alberta, Canada
- Registered: 2013-01-08
- Posts: 287

"Pure mathematics is, in its way, the poetry of logical ideas."

-Albert Einstein

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 88,690

289^2+199^2+126^2+41^2=**140679** = 91^3

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

**Online**

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,853

93^3 = **804357**, whose digit sum is 3^3.

"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: 88,690

686^2+424^2+406^2+124^2=**830584** = 94^3

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

**Online**

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,853

95^3 = **857375**, and the digit sum of the difference between the answer and its reverse is 3^3.

"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: 88,690

96^3 = 884736

(88) + 4 + 7 + 3 - 6 = 96

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

**Online**

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,853

97^3 = **912673**, and the digit sum of the difference between the answer and its reverse is 3^3.

Also, the difference between 3^3 and the reverse of the difference between 3^3 and its reverse is 3^3.

Note: The result of "the difference between" is an *absolute value.*

"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: 88,690

98^3 = 941192

94 + 11 - 9 + 2 = 98

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

**Online**

**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 3,853

99^3 = **970299**, and 97 x 0 x 2 + 99 = 99.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 88,690

100^3 = 1000000

100 + 0 + 0 + 0 + 0 = 100

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

**Online**