1. Numbers
  2. Compare 39989 vs 39991

Compare 39989 vs 39991

Property3998939991
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization39989171 × 291 × 1971
Prime factorization399897 × 29 × 197
Divisors count28
Divisors1, 399891, 7, 29, 197, 203, 1379, 5713, 39991
Number of properties80
Emirps980th 
Harmonic primes1567th 
Isolated primes3022nd 
Long primes1587th 
Primes4203rd 
Pythagorean primes2085th 
Sexy primes (2nd member)1194th 
Sophie germain primes565th 
Roman numberals  
Base 21001110000110101210011100001101112
Base 32000212002320002120113
Base 4213003114213003134
Base 52234424522344315
Base 650504565050516
Base 722440572244107
Base 811606581160678
Base 9607629607649
Base 1039989103999110
Base 1128054112805611
Base 121b185121b18712
Base 1315281131528313
Base 1410805141080714
Base 15bcae15bcb115
Base 169c35169c3716
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