1. Numbers
  2. Compare 997 vs 1223

Compare 997 vs 1223

Property9971223
Typeprimeprime
Unique factors11
Total factors11
Prime factorization997112231
Prime factorization9971223
Divisors count22
Divisors1, 9971, 1223
Number of properties610
Emirps 54th
Harmonic primes 70th
Isolated primes99th119th
Left-truncatable primes54th55th
Long primes 77th
Lucky primes43rd 
Primes168th200th
Pythagorean primes80th 
Sexy primes (1st member) 87th
Sexy primes (2nd member)74th86th
Sexy prime triplets (2nd member) 33rd
Sophie germain primes 43rd
Roman numberalsCMXCVIIMCCXXIII
Base 211111001012100110001112
Base 31100221312000223
Base 43321141030134
Base 5124425143435
Base 64341653556
Base 72623733657
Base 81745823078
Base 91327916089
Base 1099710122310
Base 1182711a1211
Base 126b11285b12
Base 135b91373113
Base 145131463514
Base 154671556815
Base 163e5164c716
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