1. Numbers
  2. Compare 18311 vs 18318

Compare 18311 vs 18318

Property1831118318
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization18311121 × 31 × 431 × 711
Prime factorization183112 × 3 × 43 × 71
Divisors count216
Divisors1, 183111, 2, 3, 6, 43, 71, 86, 129, 142, 213, 258, 426, 3053, 6106, 9159, 18318
Number of properties70
Chen primes1039th 
Cousin primes (2nd member)327th 
Harmonic primes759th 
Primes2099th 
Prime triplets (2nd member)159th 
Super primes317th 
Twin primes (1st member)323rd 
Roman numberals  
Base 210001111000011121000111100011102
Base 322101001232210101103
Base 4101320134101320324
Base 51041221510412335
Base 622043562204506
Base 710424671042567
Base 8436078436168
Base 9271059271139
Base 1018311101831810
Base 1112837111284311
Base 12a71b12a72612
Base 13844713845113
Base 14695d14696614
Base 15565b15566315
Base 16478716478e16
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