BAB# 4981 was posted on 12 April 2016. The digits of 4981 split into two 2-digit numbers results in the square numbers 49 and 81. [And it can split into the square numbers 4 and 9, the cuban number 8, and the square number 1 (4|9|8|1).]
MathBabbler Number Analyst (MBNA) output: ========================================= 4981 is a natural, whole, integer 4981 is odd 4981 proper divisors are: 1,17,293, 4981 has 3 proper divisors 4981 is deficient (sum of divisors is 311; ratio: 0.0624373) 4981 is unhappy 4981 is a Squarefree Number 4981 is composite (not prime) 4981 has the prime factors: 17*293 (sum=310) 4981 is semiprime (biprime or 2-almost prime) 4981 is a joke (Smith) number 4981 is a hoax number 4981 is a 293-smooth number 4981 is Arithmetic (A003601) 4981 in octal is 011565 4981 in hexadecimal is 0x1375 4981 in binary is 1001101110101 (is evil) 4981 nearest square numbers: -81...60 (4900...5041 [71]) sqrt(4981) = 70.5762 ln(4981) = 8.51339 log(4981) = 3.69732 4981 reciprocal is .00020076289901626179482031720538 4981 is an apocalyptic power 4981! is inf 4981 is 1585.5 Pi years 4981 is 249 score and 1 year 4981 is 2491^2 - 2490^2 and 2491 + 2490 = 4981 4981 is a multiple of 1 & it contains a 1 (A011531)log15(
4981) = 3.14373, which when rounded to the nearest hundredth (3.14) equals Pi rounded to the nearest hundredth.
Creator: Gerald Thurman
[gthurman@gmail.com]
Created: 13 April 2016