About the Number 406 (four hundred six)

406 was the smallest number that didn't have a nBAB on 19 Febuary 2017.

MathBabbler Number Analyst (MBNA) output:
=========================================
406 is natural, counting, whole, integer
406 is even (not odd)
406 proper divisors are: 1,2,7,14,29,58,203,
406 has 7 proper divisors
406 is deficient (sum of divisors is 314; ratio: 0.773399)
406 is unhappy
406 is a Squarefree Number
406 is composite (not prime)
406 has the prime factors: 2*7*29 (sum=38)
406 is sphenic (has 3 unique prime factors)
406 is a 29-smooth number
406 is triangular
406 in octal is 0626
406 in hexadecimal is 0x196
406 in binary is 110010110 (is odious)
406 nearest square numbers: -6...35 (400...441 [21])
sqrt(406) = 20.1494
ln(406) = 6.00635
log(406) = 2.60853
406! is 2.76345e+884
406 is 129.234 Pi years
406 is 20 score and 6 years
406 written as a Roman numeral is CDVI
                     ____________________________________________________________________________________
406 reciprocal is 0.0024630541871921182266009852216748768472906403940886699507389162561576354679802955665

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 19 February 2017

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