This nBAB about the number

4999was BAB#4999. It was created because there was already a nBAB for the number 5000 and BAB# 5000 was created immediately after this nBAB was posted.MathBabbler Number Analyst (MBNA) output: ========================================= 4999 is a natural, whole, integer 4999 is odd 4999 proper divisors are: 1, 4999 has 1 proper divisors 4999 is deficient (sum of divisors is 1; ratio: 0.00020004) 4999 is unhappy 4999 is a Squarefree Number 4999 is prime (not composite) ...Cousin prime with 5003 ...Sexy prime with 4993 ...Sexy Triplet prime with 4987, 4993 ...Truman Gerald prime with 4969 ...OEIS:002145 (4n+3; n=1249) ...Right-truncatable 4999 is a lucky number 4999 is Arithmetic (A003601) 4999 is the sum of 13 consecutive primes 4999 = 349 + 353 + 359 + 367 + 373 + 379 + 383 + 389 + 397 + 401 + 409 + 419 + 421 4999 in octal is 011607 4999 in hexadecimal is 0x1387 4999 in binary is 1001110000111 (is odious) 4999 nearest square numbers: -99...42 (4900...5041 [71]) sqrt(4999) = 70.7036 ln(4999) = 8.51699 log(4999) = 3.69888 4999 reciprocal is .00020004000800160032006401280256 4999 is an apocalyptic power 4999! is inf 4999 is 1591.23 Pi years 4999 is 249 score and 19 years 4999 is 2500^2 - 2499^2 and 2500 + 2499 = 4999log15(

`) = 3.14506, which when truncated to two decimal digits (3.14) equals Pi (3.141592...) rounded to the nearest hundredth.`

4999

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

**Created:** 18 April 2016

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