1. Numbers
  2. Compare 20970 vs 20981

Compare 20970 vs 20981

Property2097020981
Typecomposite numberprime
Unique factors41
Total factors51
Prime factorization21 × 32 × 51 × 2331209811
Prime factorization2 × 3 × 3 × 5 × 23320981
Divisors count242
Divisors1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 233, 466, 699, 1165, 1398, 2097, 2330, 3495, 4194, 6990, 10485, 209701, 20981
Number of properties05
Chen primes 1161st
Good primes 265th
Primes 2359th
Pythagorean primes 1172nd
Twin primes (1st member) 357th
Roman numberals  
Base 210100011110101021010001111101012
Base 31001202200310012100023
Base 4110132224110133114
Base 51132340511324115
Base 624103062410456
Base 711506571151127
Base 8507528507658
Base 9316809317029
Base 1020970102098110
Base 1114834111484411
Base 1210176121018512
Base 13971113971c13
Base 1478dc14790914
Base 15633015633b15
Base 1651ea1651f516
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