### About the Number 21,419 (twenty-one thousand four hundred nineteen)

This nBAB for the number 21,419 was created when MathBabbler was `21,419` days young.

Number 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 )
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 