Compare 1223 vs 1997

Property12231997
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1223119971
Prime factorization12231997
Divisors count22
Divisors1, 12231, 1997
Number of properties1010
Chen primes 185th
Cousin primes (2nd member) 64th
Emirps54th 
Good primes 64th
Harmonic primes70th 
Isolated primes119th 
Left-truncatable primes55th62nd
Long primes77th 
Primes200th302nd
Prime triplets (1st member) 50th
Prime triplets (2nd member) 49th
Pythagorean primes 147th
Sexy primes (1st member)87th129th
Sexy primes (2nd member)86th 
Sexy prime triplets (2nd member)33rd 
Sophie germain primes43rd 
Twin primes (1st member) 61st
Roman numberalsMCCXXIIIMCMXCVII
Base 2100110001112111110011012
Base 31200022322012223
Base 410301341330314
Base 5143435304425
Base 653556131256
Base 73365755527
Base 82307837158
Base 91608926589
Base 10122310199710
Base 11a1211155611
Base 1285b1211a512
Base 1373113ba813
Base 1463514a2914
Base 15568158d215
Base 164c7167cd16
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