1. Numbers
  2. Compare 21305 vs 21313

Compare 21305 vs 21313

Property2130521313
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization51 × 42611213131
Prime factorization5 × 426121313
Divisors count42
Divisors1, 5, 4261, 213051, 21313
Number of properties17
Cousin primes (1st member) 362nd
Good primes 267th
Isolated primes 1671st
Primes 2392nd
Prime triplets (1st member) 179th
Pythagorean primes 1187th
Semiprimes5399th 
Sexy primes (1st member) 725th
Roman numberals  
Base 210100110011100121010011010000012
Base 31002020002310020201013
Base 4110303214110310014
Base 51140210511402235
Base 624234562424016
Base 711605471160657
Base 8514718515018
Base 9322029322119
Base 1021305102131310
Base 1115009111501611
Base 12103b5121040112
Base 13990b13991613
Base 147a9b147aa514
Base 1564a51564ad15
Base 16533916534116
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