1. Numbers
  2. Compare 31147 vs 31155

Compare 31147 vs 31155

Property3114731155
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization31147131 × 51 × 311 × 671
Prime factorization311473 × 5 × 31 × 67
Divisors count216
Divisors1, 311471, 3, 5, 15, 31, 67, 93, 155, 201, 335, 465, 1005, 2077, 6231, 10385, 31155
Number of properties90
Cousin primes (1st member)477th 
Good primes334th 
Harmonic primes1247th 
Isolated primes2395th 
Lucky primes520th 
Primes3354th 
Prime triplets (1st member)229th 
Sexy primes (1st member)980th 
Sexy prime triplets (1st member)250th 
Roman numberals  
Base 211110011010101121111001101100112
Base 31120201121311202012203
Base 4132122234132123034
Base 51444042514441105
Base 640011164001236
Base 715654471565557
Base 8746538746638
Base 9466479466569
Base 1031147103115510
Base 1121446112145311
Base 1216037121604312
Base 131123c131124713
Base 14b4cb14b4d514
Base 15936715937015
Base 1679ab1679b316
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