1. Numbers
  2. Compare 20981 vs 20982

Compare 20981 vs 20982

Property2098120982
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization20981121 × 31 × 131 × 2691
Prime factorization209812 × 3 × 13 × 269
Divisors count216
Divisors1, 209811, 2, 3, 6, 13, 26, 39, 78, 269, 538, 807, 1614, 3497, 6994, 10491, 20982
Number of properties50
Chen primes1161st 
Good primes265th 
Primes2359th 
Pythagorean primes1172nd 
Twin primes (1st member)357th 
Roman numberals  
Base 210100011111010121010001111101102
Base 31001210002310012100103
Base 4110133114110133124
Base 51132411511324125
Base 624104562410506
Base 711511271151137
Base 8507658507668
Base 9317029317039
Base 1020981102098210
Base 1114844111484511
Base 1210185121018612
Base 13971c13972013
Base 14790914790a14
Base 15633b15633c15
Base 1651f51651f616
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