1. Numbers
  2. Compare 20981 vs 20988

Compare 20981 vs 20988

Property2098120988
Typeprimecomposite number
Unique factors14
Total factors16
Prime factorization20981122 × 32 × 111 × 531
Prime factorization209812 × 2 × 3 × 3 × 11 × 53
Divisors count236
Divisors1, 209811, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 53, 66, 99, 106, 132, 159, 198, 212, 318, 396, 477, 583, 636, 954, 1166, 1749, 1908, 2332, 3498, 5247, 6996, 10494, 20988
Number of properties50
Chen primes1161st 
Good primes265th 
Primes2359th 
Pythagorean primes1172nd 
Twin primes (1st member)357th 
Roman numberals  
Base 210100011111010121010001111111002
Base 31001210002310012101003
Base 4110133114110133304
Base 51132411511324235
Base 624104562411006
Base 711511271151227
Base 8507658507748
Base 9317029317109
Base 1020981102098810
Base 1114844111485011
Base 1210185121019012
Base 13971c13972613
Base 14790914791214
Base 15633b15634315
Base 1651f51651fc16
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