1. Numbers
  2. Compare 20998 vs 21001

Compare 20998 vs 21001

Property2099821001
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization21 × 104991210011
Prime factorization2 × 1049921001
Divisors count42
Divisors1, 2, 10499, 209981, 21001
Number of properties15
Chen primes 1162nd
Harmonic primes 867th
Isolated primes 1648th
Primes 2361st
Pythagorean primes 1173rd
Semiprimes5327th 
Roman numberals  
Base 210100100000011021010010000010012
Base 31001210201310012102113
Base 4110200124110200214
Base 51132443511330015
Base 624111462411216
Base 711513571151417
Base 8510068510118
Base 9317219317249
Base 1020998102100110
Base 111485a111486211
Base 121019a12101a112
Base 13973313973613
Base 14791c14792114
Base 15634d15635115
Base 16520616520916
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