1. Numbers
  2. Compare 20989 vs 21001

Compare 20989 vs 21001

Property2098921001
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization1391 × 1511210011
Prime factorization139 × 15121001
Divisors count42
Divisors1, 139, 151, 209891, 21001
Number of properties15
Chen primes 1162nd
Harmonic primes 867th
Isolated primes 1648th
Primes 2361st
Pythagorean primes 1173rd
Semiprimes5324th 
Roman numberals  
Base 210100011111110121010010000010012
Base 31001210101310012102113
Base 4110133314110200214
Base 51132424511330015
Base 624110162411216
Base 711512371151417
Base 8507758510118
Base 9317119317249
Base 1020989102100110
Base 1114851111486211
Base 121019112101a112
Base 13972713973613
Base 14791314792114
Base 15634415635115
Base 1651fd16520916
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