This nBAB for the number

21,419was created when MathBabbler was`days young.`

21,419Number enables an off-by-one ends-with-420 moment.

MathBabbler Number Analyst (MBNA) output: ========================================= 21419 is a natural, whole, integer 21419 is odd 21419 proper divisors are: 1, 21419 has 1 proper divisors 21419 is deficient (sum of divisors is 1; ratio: 4.66875e-05) 21419 is happy 21419 is a Squarefree Number 21419 is prime (not composite) ...Safe prime with 10709 ...Sophie Germain prime with 42839 ...OEIS:002145 (4n+3; n=5354) ...Right-truncatable ...Eisenstein 21419 is the sum of 3 distinct cubes (2^3 + 12^3 + 27^3) 21419 is Arithmetic (A003601) 21419 in octal is 051653 21419 in hexadecimal is 0x53ab 21419 in binary is 101001110101011 (is odious) 21419 nearest square numbers: -103...190 (21316...21609 [147]) sqrt(21419) = 146.352 ln(21419) = 9.97203 log(21419) = 4.3308 21419 reciprocal is .00004668752042579018628320649890 21419 is an apocalyptic power 21419! is inf 21419 is 6817.88 Pi years 21419 is 1070 score and 19 years 21419 is 10710^2 - 10709^2 and 10710 + 10709 = 21419 21419 is a multiple of 1 & it contains a 1 (A011531)

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

**Created:** 18 January 2016

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