1. Numbers
  2. Compare 1945 vs 1949

Compare 1945 vs 1949

Property19451949
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization51 × 389119491
Prime factorization5 × 3891949
Divisors count42
Divisors1, 5, 389, 19451, 1949
Number of properties18
Additive primes 156th
Chen primes 183rd
Emirps 95th
Harmonic primes 110th
Long primes 115th
Primes 296th
Pythagorean primes 144th
Semiprimes562nd 
Twin primes (1st member) 60th
Roman numberalsMCMXLVMCMXLIX
Base 2111100110012111100111012
Base 32200001322000123
Base 413212141321314
Base 5302405302445
Base 6130016130056
Base 75446754537
Base 83631836358
Base 92601926059
Base 10194510194910
Base 11150911151211
Base 12116112116512
Base 13b6813b6c13
Base 149cd149d314
Base 1589a1589e15
Base 167991679d16
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