408 was the smallest number without a nBAB on 8 April 2017.
MathBabbler Number Analyst (MBNA) output: ========================================= 408 is natural, counting, whole, integer 408 is even (not odd) 408 proper divisors are: 1,2,3,4,6,8,12,17,24,34,51,68,102,136,204, 408 has 15 proper divisors 408 is abundant (sum of divisors is 672; ratio: 1.64706) 408 is unhappy 408 is not a Squarefree Number: 4, 408 is Harshad (Niven) number 408 is composite (not prime) 408 has the prime factors: 2*2*2*3*17 (sum=26) 408 is a 17-smooth number 408 is the sum of 3 distinct cubes (1^3 + 4^3 + 7^3) 408 is *not* arithmetic (A003601) 408 is the sum of 8 consecutive primes 408 = 37 + 41 + 43 + 47 + 53 + 59 + 61 + 67 408 in octal is 0630 408 in hexadecimal is 0x198 408 in binary is 110011000 (is evil) 408 nearest square numbers: -8...33 (400...441 [21]) sqrt(408) = 20.199 ln(408) = 6.01127 log(408) = 2.61066 408! is 4.58888e+889 408 is 129.87 Pi years 408 is 20 score and 8 years 408 written as a Roman numeral is CDVIII 408 is 103^2 - 101^2 and 2 * (103 + 101) 408 is a multiple of 4 & it contains a 4 (A121024) 408 is a multiple of 8 & it contains a 8 (A121028) ________________ 408 reciprocal is 0.0024509803921568627 remainders: 1,10,100,184,208,40,400,328,16,160,376,88,64,232,280,352,256,112,304,184
Creator: Gerald Thurman
[gthurman@gmail.com]
Created: 08 April 2017