MathBabbler noticed he didn't have a nBAB for the number

`even though Pi Day occurs every March`

14`th.`

14MathBabbler Number Analyst (MBNA) output: ========================================= 14 is a natural, whole, integer 14 is even 14 proper divisors are: 1,2,7, 14 is deficient (sum of divisors is 10) 14 is unhappy 14 is not a Harshad number 14 is not prime 14 is undulating 14 has the prime factors: 2*7 14 is semiprime (biprime or 2-almost prime) 14 in octal is 016 14 in hexadecimal is 0xe 14 in binary is 1110 (is odious) 14 nearest square numbers: -5...2 (9...16 [4]) sqrt(14) = 3.74166 ln(14) = 2.63906 log(14) = 1.14613 14 reciprocal is .07142857142857142857142857142857 14! is 8.71783e+10 14 is 4.45634 Pi years 14 is 0 score and 14 years 14 written as a Roman numeral is XIV

`[Wikipedia]`

`is a`

14square pyramidal numberbecause if the sum of the first three square numbers.1^2 + 2^2 + 3^2 =14generalized: n(n+1)(2n+1)/6The first few square pyramidal numbers are...

1, 5, 14, 30, 55, 91, 140, 204, 285, 385, 506, 650, 819OEIS.org::id:A000330

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

**Created:** 17 March 2009

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