1. Numbers
  2. Compare 1399 vs 1997

Compare 1399 vs 1997

Property13991997
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1399119971
Prime factorization13991997
Divisors count22
Divisors1, 13991, 1997
Number of properties610
Chen primes145th185th
Cousin primes (2nd member) 64th
Emirps65th 
Good primes52nd64th
Harmonic primes76th 
Isolated primes131st 
Left-truncatable primes 62nd
Primes222nd302nd
Prime triplets (1st member) 50th
Prime triplets (2nd member) 49th
Pythagorean primes 147th
Sexy primes (1st member) 129th
Twin primes (1st member) 61st
Roman numberalsMCCCXCIXMCMXCVII
Base 2101011101112111110011012
Base 31220211322012223
Base 411131341330314
Base 5210445304425
Base 6102516131256
Base 74036755527
Base 82567837158
Base 91824926589
Base 10139910199710
Base 11106211155611
Base 129871211a512
Base 1383813ba813
Base 1471d14a2914
Base 15634158d215
Base 16577167cd16
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