Ali Farka Toure

October 31, 2016 Open Thread; Samhain (north)/ Beltane (south) / Halloween (sundry)

Submitted by enhydra lutris on Mon, 10/31/2016 - 5:00am

October 31 is the 304th day of the year. There are 61 days left.

Winter's Eve.

Today's number is 31

31 is a prime, and a mersenne prime at that
31 is gallium
M31 is the Andromeda Galaxy
31 Flavors is Baskin Robbins
31 is untrustworthy - Weinberg's dictum

Title 31 of the US Code is MONEY AND FINANCE

Monday Open Thread January 4, 2016

Submitted by enhydra lutris on Mon, 01/04/2016 - 7:00am
4 is the second squared number
4 is the smallest squared prime
4 is the only even squared prime
4 is both 2 dooubled and 2 squared
A number is divisible by 4 if its last two digits are divisible by 4. For example 1632 is divisible by 4 because 32 is divisible by 4 (4 x 8 = 32)
A Tetrahedron has 4 sides and 4 vertices. It is the simplest Platonic solid.