1. Numbers
  2. Compare 2780 vs 2789

Compare 2780 vs 2789

Property27802789
Typecomposite numberprime
Unique factors31
Total factors41
Prime factorization22 × 51 × 139127891
Prime factorization2 × 2 × 5 × 1392789
Divisors count122
Divisors1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 27801, 2789
Number of properties06
Chen primes 242nd
Long primes 164th
Primes 405th
Pythagorean primes 199th
Twin primes (1st member) 79th
Ulam primes 30th
Roman numberalsMMDCCLXXXMMDCCLXXXIX
Base 210101101110021010111001012
Base 3102102223102110223
Base 422313042232114
Base 5421105421245
Base 6205126205256
Base 7110517110637
Base 85334853458
Base 93728937389
Base 10278010278910
Base 1120a811210611
Base 12173812174512
Base 13135b13136713
Base 14102814103314
Base 15c5515c5e15
Base 16adc16ae516
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