1. Numbers
  2. Compare 20897 vs 20909

Compare 20897 vs 20909

Property2089720909
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization20897171 × 291 × 1031
Prime factorization208977 × 29 × 103
Divisors count28
Divisors1, 208971, 7, 29, 103, 203, 721, 2987, 20909
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 210100011010000121010001101011012
Base 31001122222310012001023
Base 4110122014110122314
Base 51132042511321145
Base 624042562404456
Base 711463271146507
Base 8506418506558
Base 9315889316129
Base 1020897102090910
Base 1114778111478911
Base 1210115121012512
Base 13968613969513
Base 14788914789714
Base 1562d21562de15
Base 1651a11651ad16
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