About the Number 2,015 (two thousand fifteen)

This nBAB for the number 2015 was created on 1 January 2015 and it was nBAB# 700.

MathBabbler Number Analyst (MBNA) output:
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2015 is a natural, whole, integer
2015 is odd
2015 proper divisors are: 1,5,13,31,65,155,403,
2015 has 7 proper divisors
2015 is deficient (sum of divisors is 673; ratio: 0.333995)
2015 is unhappy
2015 is a Squarefree Number
2015 is composite (not prime)
2015 has the prime factors: 5*13*31 (sum=49)
2015 is sphenic (had 3 unique prime factors)
2015 is Arithmetic (A003601)
2015 is the sum of 5 consecutive primes
2015 = 389 + 397 + 401 + 409 + 419
2015 is in A038853 (14^3 - 9^3)
2015 in octal is 03737
2015 in hexadecimal is 0x7df
2015 in binary is 11111011111 (is evil)(is palindromic)
2015 nearest square numbers: -79...10 (1936...2025 [45])
sqrt(2015) = 44.8888
ln(2015) = 7.60837
log(2015) = 3.30428
2015 reciprocal is .00049627791563275434243176178660
2015 is an apocalyptic power
2015! is inf
2015 is 641.394 Pi years
2015 is 100 score and 15 years
2015 written as a Roman numeral is MMXV
2015 is 1008^2 - 1007^2 and 1008 + 1007 = 2015
2015 is a multiple of 1 & it contains a 1 (A011531)
2015 is a multiple of 5 & it contains a 5 (A121025)

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 01 January 2015

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