1. Numbers
  2. Compare 21139 vs 21557

Compare 21139 vs 21557

Property2113921557
Typeprimeprime
Unique factors11
Total factors11
Prime factorization211391215571
Prime factorization2113921557
Divisors count22
Divisors1, 211391, 21557
Number of properties58
Chen primes 1186th
Cousin primes (1st member)360th 
Good primes266th273rd
Isolated primes1656th 
Lucky primes385th 
Primes2375th2418th
Prime triplets (1st member) 184th
Pythagorean primes 1199th
Sexy primes (1st member) 736th
Sexy prime triplets (1st member) 201st
Twin primes (1st member) 366th
Roman numberals  
Base 210100101001001121010100001101012
Base 31001222221310021201023
Base 4110221034111003114
Base 51134024511422125
Base 624151162434456
Base 711542671165647
Base 8512238520658
Base 9318879325129
Base 1021139102155710
Base 1114978111521811
Base 1210297121058512
Base 139811139a7313
Base 1479bd147bdb14
Base 1563e41565c215
Base 16529316543516
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