About the Number 1,955 (one thousand nine hundred fifty-five)

This nBAB for the number 1955 was 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:
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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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This work is licensed under a Creative Commons Attribution 3.0 United States License.