1. Numbers
  2. Compare 1218 vs 1223

Compare 1218 vs 1223

Property12181223
Typecomposite numberprime
Unique factors41
Total factors41
Prime factorization21 × 31 × 71 × 29112231
Prime factorization2 × 3 × 7 × 291223
Divisors count162
Divisors1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 12181, 1223
Number of properties010
Emirps 54th
Harmonic primes 70th
Isolated primes 119th
Left-truncatable primes 55th
Long primes 77th
Primes 200th
Sexy primes (1st member) 87th
Sexy primes (2nd member) 86th
Sexy prime triplets (2nd member) 33rd
Sophie germain primes 43rd
Roman numberalsMCCXVIIIMCCXXIII
Base 2100110000102100110001112
Base 31200010312000223
Base 410300241030134
Base 5143335143435
Base 65350653556
Base 73360733657
Base 82302823078
Base 91603916089
Base 10121810122310
Base 11a0811a1211
Base 128561285b12
Base 137291373113
Base 146301463514
Base 155631556815
Base 164c2164c716
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