1. Numbers
  2. Compare 20981 vs 20984

Compare 20981 vs 20984

Property2098120984
Typeprimecomposite number
Unique factors13
Total factors15
Prime factorization20981123 × 431 × 611
Prime factorization209812 × 2 × 2 × 43 × 61
Divisors count216
Divisors1, 209811, 2, 4, 8, 43, 61, 86, 122, 172, 244, 344, 488, 2623, 5246, 10492, 20984
Number of properties50
Chen primes1161st 
Good primes265th 
Primes2359th 
Pythagorean primes1172nd 
Twin primes (1st member)357th 
Roman numberals  
Base 210100011111010121010001111110002
Base 31001210002310012100123
Base 4110133114110133204
Base 51132411511324145
Base 624104562410526
Base 711511271151157
Base 8507658507708
Base 9317029317059
Base 1020981102098410
Base 1114844111484711
Base 1210185121018812
Base 13971c13972213
Base 14790914790c14
Base 15633b15633e15
Base 1651f51651f816
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