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Son is doing a report about the number 31

2006-10-03 16:18:21 · 7 answers · asked by Heather T 1 in Education & Reference Homework Help

7 answers

31 is a prime number.

= 2^0 + 2^1 + 2^2 + 2^3 + 2^4
The sum of five powers of 2.

= 5^0 + 5^1 + 5^2
The sum of three powers of 5.

= 2^5 - 1
A Mersenne prime.

There are 31 letters in the Cyrillic (Russian) alphabet.

Thirty-one is a betting game played with cards.

In French the expression trente et un means someone who is well dressed.

There are 31 days in most months.

The suttas describe thirty-one distinct "planes" or "realms" of existence into which beings can be reborn during this long wandering through samsara.

* The atomic number of gallium

The code for international direct-dial phone calls to the Netherlands

A type of game played on a backgammon board

The number of flavors of Baskin Robbins ice cream

In Star Trek, the name of Section 31, a secret police shadow organization of the Federation

ISO 31 is the ISO's standard for quantities and units

In Family Guy, the Griffin house number on Spooner Street

In the title of the anime Ulysses 31

In the title of Nick Hornby's book 31 Songs

The jersey number of famed NHL goaltender Curtis "CuJo" Joseph, who currently plays for the Phoenix Coyotes

Turkish slang for masturbation ("otuzbir") (OK you don' have to tell him that one.)

2006-10-03 16:20:41 · answer #1 · answered by DanE 7 · 1 0

It is prime. It can be made by adding 30 + 1, 10+10+10+1, 15+16. It can be made with multiple operations 5x6+1 , 3x10 +1. Its digits are 3 and 1 and when rearranged they become 13 and when added they become 4 or when they are subtracted they become 2.

2006-10-03 16:24:30 · answer #2 · answered by the Goddess Angel 5 · 0 0

31 is the number of the awesome multi-time pro bowl saftey Roy Williams

2006-10-03 16:27:22 · answer #3 · answered by JCapaldi86 1 · 0 0

thats the number of days this month!!
also with JAN, MARCH, MAY, JULY, AUGUST, and DECEMBER
31 is also a prime number
31 is the number 13 backwards!

2006-10-03 16:20:01 · answer #4 · answered by Mr.Moo 4 · 0 0

LaRon Landry #31
LSU starting saftey
Top NFL prospect

2006-10-03 16:26:19 · answer #5 · answered by Peter L 1 · 0 0

its prime :)

check out this site...should help

http://www.virtuescience.com/31.html

2006-10-03 16:21:32 · answer #6 · answered by xtcwmeg 3 · 0 0

there is a lot of info out there... hopes this helps

2006-10-03 16:20:41 · answer #7 · answered by roxie_xd 4 · 0 0

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