1. Numbers
  2. Compare 1663 vs 1668

Compare 1663 vs 1668

Property16631668
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization1663122 × 31 × 1391
Prime factorization16632 × 2 × 3 × 139
Divisors count212
Divisors1, 16631, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668
Number of properties110
Cousin primes (1st member)59th 
Happy primes50th 
Harmonic primes91st 
Isolated primes158th 
Long primes102nd 
Lucky primes62nd 
Primes261st 
Prime triplets (1st member)43rd 
Sexy primes (1st member)113th 
Sexy primes (2nd member)112th 
Sexy prime triplets (2nd member)43rd 
Roman numberalsMDCLXIIIMDCLXVIII
Base 2110011111112110100001002
Base 32021121320212103
Base 412133341220104
Base 5231235231335
Base 6114116114206
Base 74564746027
Base 83177832048
Base 92247922539
Base 10166310166810
Base 11128211128711
Base 12b6712b7012
Base 139ac139b413
Base 1486b1487214
Base 1575d1576315
Base 1667f1668416
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