1. Numbers
  2. Compare 1664 vs 1669

Compare 1664 vs 1669

Property16641669
Typecomposite numberprime
Unique factors21
Total factors81
Prime factorization27 × 13116691
Prime factorization2 × 2 × 2 × 2 × 2 × 2 × 2 × 131669
Divisors count162
Divisors1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 16641, 1669
Number of properties09
Chen primes 166th
Emirps 81st
Primes 263rd
Prime triplets (3rd member) 43rd
Pythagorean primes 126th
Sexy primes (2nd member) 113th
Sexy prime triplets (3rd member) 43rd
Super primes 56th
Twin primes (2nd member) 53rd
Roman numberalsMDCLXIVMDCLXIX
Base 2110100000002110100001012
Base 32021122320212113
Base 412200041220114
Base 5231245231345
Base 6114126114216
Base 74565746037
Base 83200832058
Base 92248922549
Base 10166410166910
Base 11128311128811
Base 12b6812b7112
Base 139b0139b513
Base 1486c1487314
Base 1575e1576415
Base 166801668516
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