This nBAB for the number

1489was created to complete the Truman-Gerald Prime Pair (1459,1489).MathBabbler Number Analyst (MBNA) output: ========================================= 1489 is a natural, whole, integer 1489 is odd 1489 proper divisors are: 1, 1489 has 1 proper divisors 1489 is deficient (sum of divisors is 1; ratio: 0.000671592) 1489 is unhappy 1489 is a Squarefree Number 1489 is prime (not composite) ...Cousin prime with 1493 ...Sexy prime with 1483 ...Twin prime with 1487 ...Truman Gerald prime with 1459 ...Pythagorean ...prime triplet {1483, 1487, 1489} ...prime triplet {1487, 1489, 1493} ...prime quadruplet {1481, 1483, 1487, 1489} 1489 is Arithmetic (A003601) 1489 in octal is 02721 1489 in hexadecimal is 0x5d1 1489 in binary is 10111010001 (is evil) 1489 nearest square numbers: -45...32 (1444...1521 [39]) sqrt(1489) = 38.5876 ln(1489) = 7.30586 log(1489) = 3.17289 1489 reciprocal is .00067159167226326393552719946272 1489! is 5.77142e+4079 1489 is 473.963 Pi years 1489 is 74 score and 9 years 1489 written as a Roman numeral is MCDLXXXIX 1489 is 745^2 - 744^2 and 745 + 744 = 1489 1489 is a multiple of 1 & it contains a 1 (A011531)

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

**Created:** 06 September 2015

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