1. Numbers
  2. Compare 20747 vs 21557

Compare 20747 vs 21557

Property2074721557
Typeprimeprime
Unique factors11
Total factors11
Prime factorization207471215571
Prime factorization2074721557
Divisors count22
Divisors1, 207471, 21557
Number of properties98
Chen primes1149th1186th
Cousin primes (2nd member)354th 
Good primes 273rd
Harmonic primes854th 
Primes2336th2418th
Prime triplets (1st member)173rd184th
Prime triplets (2nd member)172nd 
Pythagorean primes 1199th
Sexy primes (1st member)710th736th
Sexy prime triplets (1st member)195th201st
Twin primes (1st member)353rd366th
Roman numberals  
Base 210100010000101121010100001101012
Base 31001110102310021201023
Base 4110100234111003114
Base 51130442511422125
Base 624001562434456
Base 711432671165647
Base 8504138520658
Base 9314129325129
Base 1020747102155710
Base 1114651111521811
Base 121000b121058512
Base 13959c139a7313
Base 1477bd147bdb14
Base 1562321565c215
Base 16510b16543516
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