1. Numbers
  2. Compare 20973 vs 20981

Compare 20973 vs 20981

Property2097320981
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization31 × 69911209811
Prime factorization3 × 699120981
Divisors count42
Divisors1, 3, 6991, 209731, 20981
Number of properties15
Chen primes 1161st
Good primes 265th
Primes 2359th
Pythagorean primes 1172nd
Semiprimes5320th 
Twin primes (1st member) 357th
Roman numberals  
Base 210100011110110121010001111101012
Base 31001202210310012100023
Base 4110132314110133114
Base 51132343511324115
Base 624103362410456
Base 711510171151127
Base 8507558507658
Base 9316839317029
Base 1020973102098110
Base 1114837111484411
Base 1210179121018512
Base 13971413971c13
Base 14790114790914
Base 15633315633b15
Base 1651ed1651f516
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