This nBAB for the number

1955was created the day after the 60th anniversary of Albert Einstein. Einstein, who was born on Pi Day 1879, died on 18 April 1955. [Note: MathBabbler was still two years away from being born when Einstein died.]MathBabbler Number Analyst (MBNA) output: ========================================= 1955 is a natural, whole, integer 1955 is odd 1955 proper divisors are: 1,5,17,23,85,115,391, 1955 has 7 proper divisors 1955 is deficient (sum of divisors is 637; ratio: 0.325831) 1955 is unhappy 1955 is a Squarefree Number 1955 is composite (not prime) 1955 has the prime factors: 5*17*23 (sum=45) 1955 is sphenic (had 3 unique prime factors) 1955 is Arithmetic (A003601) 1955 is not in A038853 1955 in octal is 03643 1955 in hexadecimal is 0x7a3 1955 in binary is 11110100011 (is odious) 1955 nearest square numbers: -19...70 (1936...2025 [45]) sqrt(1955) = 44.2154 ln(1955) = 7.57815 log(1955) = 3.29115 1955 reciprocal is .00051150895140664961636828644501 1955! is inf 1955 is 622.296 Pi years 1955 is 97 score and 15 years 1955 written as a Roman numeral is MCMLV 1955 is 978^2 - 977^2 and 978 + 977 = 1955 1955 is a multiple of 1 & it contains a 1 (A011531) 1955 is a multiple of 5 & it contains a 5 (A121025)

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

**Created:** 19 April 2015

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