507was the smallest number without a nBAB on 17 June 2018.MathBabbler Number Analyst (MBNA) output: ========================================= 507 is natural, counting, whole, integer 507 is odd (not even) 507 is not extremely odd 507 proper divisors are: 1,3,13,39,169, 507 has 5 proper divisors 507 is deficient (sum of divisors is 225; ratio: 0.443787) 507 is unhappy 507 is not a Squarefree Number: 169, 507 is composite (not prime) 507 has the prime factors: 3*13*13 (sum=29) 507 is a 13-smooth number 507 is Recaman number 272 507 in octal is 0773 507 in hexadecimal is 0x1fb 507 in binary is 111111011 (is evil) 507 nearest square numbers: -23...22 (484...529 [23]) sqrt(507) = 22.5167 ln(507) = 6.22851 log(507) = 2.70501 507! is 1.00786e+1153 507 is 161.383 Pi years 507 is 25 score and 7 years 507 written as a Roman numeral is DVII 507 is 254^2 - 253^2 and 254 + 253 = 507 ______________________________________________________________________________ 507 reciprocal is 0.001972386587771203155818540433925049309664694280078895463510848126232741617357 remainders: 1,10,100,493,367,121,196,439,334,298,445,394,391,361,61,103,16,160,79,283,295,415,94,433,274,205,22,220,172,199,469,127,256,25,250,472,157,49,490,337,328,238,352,478,217,142,406,4,40,400,451,454,484,277,235,322,178,259,55,43,430,244,412,64,133,316,118,166,139,376,211,82,313,88,373,181,289,355,1

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

**Created:** 17 June 2018

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