MathBabbler created this number BAB after he added the song titled "Phantom 309" to his collection of song titles containing numbers.

309 equals 10-squared times 3 plus 3-squared 309 = 10^2 * 3 + 3^2MathBabbler Number Analyst (MBNA) output.

309 proper divisors are: 1,3,103, 309 is deficient (sum of divisors is 107) 309 is unhappy 309 is not a Harshad number 309 is not prime 309 has the prime factors: 3*103 309 in octal is 0465 309 in hexadecimal is 0x135 309 in binary is 100110101 (is odious) 309 nearest square numbers: -20...15 (289 [17]...324 [18]) sqrt(309) = 17.5784 ln(309) = 5.73334 log(309) = 2.48996

`in Roman numeral is`

309`.`

CCCIX

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

**Created:** 29 May 2008

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