1. Numbers
  2. Compare 20897 vs 20905

Compare 20897 vs 20905

Property2089720905
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization20897151 × 371 × 1131
Prime factorization208975 × 37 × 113
Divisors count28
Divisors1, 208971, 5, 37, 113, 185, 565, 4181, 20905
Number of properties90
Chen primes1156th 
Good primes264th 
Harmonic primes861st 
Long primes893rd 
Primes2350th 
Prime triplets (1st member)174th 
Pythagorean primes1169th 
Sexy primes (1st member)713th 
Twin primes (1st member)356th 
Roman numberals  
Base 210100011010000121010001101010012
Base 31001122222310012000213
Base 4110122014110122214
Base 51132042511321105
Base 624042562404416
Base 711463271146437
Base 8506418506518
Base 9315889316079
Base 1020897102090510
Base 1114778111478511
Base 1210115121012112
Base 13968613969113
Base 14788914789314
Base 1562d21562da15
Base 1651a11651a916
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