This nBAB about the number

4139was BAB#4139.MathBabbler Number Analyst (MBNA) output: ========================================= 4139 is a natural, whole, integer 4139 is odd 4139 proper divisors are: 1, 4139 has 1 proper divisors 4139 is deficient (sum of divisors is 1; ratio: 0.000241604) 4139 is unhappy 4139 is a Squarefree Number 4139 is prime (not composite) ...Safe prime with 2069 ...Sexy prime with 4133 ...Sexy Triplet prime with 4133, 4127 ...OEIS:002145 (4n+3; n=1034) ...Left-truncatable ...Eisenstein 4139 is the sum of 3 distinct cubes (4^3 + 11^3 + 14^3) 4139 is Arithmetic (A003601) 4139 in octal is 010053 4139 in hexadecimal is 0x102b 4139 in binary is 1000000101011 (is odious) 4139 nearest square numbers: -43...86 (4096...4225 [65]) sqrt(4139) = 64.3351 ln(4139) = 8.32821 log(4139) = 3.6169 4139 reciprocal is .00024160425223483933317226383184 4139! is inf 4139 is 1317.48 Pi years 4139 is 206 score and 19 years 4139 is 2070^2 - 2069^2 and 2070 + 2069 = 4139 4139 is a multiple of 1 & it contains a 1 (A011531)

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

**Created:** 03 January 2015

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