About the Number 156 (one hundred fifty-six)

A BAB for the number 155 was created because 155 wsa the smallest number that didn't have a nBAB. Creating a nBAB for the number 155 resulted in the number 156 becoming the next smallest number without a nBAB.

In addition, the number 156 was used for example purposes in About Number BABs (nBABs) that was created on 18 December 2013.

Note: This nBAB was created when MathBabbler was a century away from turning 156.

MathBabbler Number Analyst (MBNA) output:
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156 is a natural, whole, integer
156 is even
156 proper divisors are: 1,2,3,4,6,12,13,26,39,52,78,
156 is refactorable (evenly divisable  by # of divisors)
156 has 11 proper divisors
156 is abundant (sum of divisors is 236; ratio: 1.51282)
156 is unhappy
156 is not a Squarefree Number: 4,
156 is a Harshad number
156 is not prime
156 has the prime factors: 2*2*3*13 (sum=20)
2...2...3...13...answer: 20
156 is pronic (oblong)
156 is dodecagonal
156 is the sum of 6 consecutive primes
156 = 17 + 19 + 23 + 29 + 31 + 37
156 in octal is 0234
156 in hexadecimal is 0x9c
156 in binary is 10011100 (is evil)
156 nearest square numbers: -12...13 (144...169 [13])
sqrt(156) = 12.49
ln(156) = 5.04986
log(156) = 2.19312
156 reciprocal is .00641025641025641025641025641025
156! is 7.47106e+275
156 is 49.6563 Pi years
156 is 7 score and 16 years
156 written as a Roman numeral is CLVI
156 = 40^2 - 38^2 and 2 * (40 + 38) = 156

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 18 December 2013

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