Math Is Fun Forum

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

You are not logged in.

#1 2013-08-02 01:53:15

math.guru.92
Member
Registered: 2013-07-25
Posts: 3

Number Properties

Having problems solving this question.

Offline

#2 2013-08-02 02:05:02

atran
Member
Registered: 2013-07-12
Posts: 91

Re: Number Properties

38 = 2*19 => a multiple of a positive odd integer and a positive prime
18 = 2*9 => a multiple of a positive odd integer and a positive prime
8 = 2*4 = 2³ => NOT

Offline

#3 2013-08-02 10:01:34

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

Re: Number Properties

I am getting that all three can be represented in the wanted way.


“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

Offline

#4 2018-11-15 21:11:15

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: Number Properties

anonimnystefy wrote:

I am getting that all three can be represented in the wanted way.

How could you get the 8?


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

Offline

#5 2018-11-15 22:26:31

zetafunc
Moderator
Registered: 2014-05-21
Posts: 2,432
Website

Re: Number Properties

and
is sufficient to generate all three.

Offline

#6 2018-11-16 14:17:23

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: Number Properties

Ah, right. We tend to overlook 1, or 0, or 2 sometimes.


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

Offline

Board footer

Powered by FluxBB