This nBAB about the number

2557was created on 9 February 2012, which was2557days after the first BAB was created on 9 Febuary 2005.MathBabbler Number Analyst (MBNA) output: ========================================= 2557 is a natural, whole, integer 2557 is odd 2557 proper divisors are: 1, 2557 is deficient (sum of divisors is 1) 2557 is happy 2557 is a Squarefree Number 2557 is not a Harshad number 2557 is prime ...Sexy prime with 2551 ...Pythagorean ...Left-truncatable 2557 is a lucky number 2557 is ThurmNumber 2557 in octal is 04775 2557 in hexadecimal is 0x9fd 2557 in binary is 100111111101 (is odious) 2557 nearest square numbers: -57...44 (2500...2601 [51]) sqrt(2557) = 50.5668 ln(2557) = 7.84659 log(2557) = 3.40773 2557 reciprocal is .00039108330074305827141181071568 2557 is an apocalyptic power 2557! is inf 2557 is 813.918 Pi years 2557 is 127 score and 17 years 2557 written as a Roman numeral is MMDLVII 2557 = 1279^2 - 1278^2 and 1279 + 1278 = 2557

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 09 February 2012

This work is licensed under a Creative Commons Attribution 3.0 United States License.