1. Numbers
  2. Compare 28180 vs 28181

Compare 28180 vs 28181

Property2818028181
Typecomposite numberprime
Unique factors31
Total factors41
Prime factorization22 × 51 × 14091281811
Prime factorization2 × 2 × 5 × 140928181
Divisors count122
Divisors1, 2, 4, 5, 10, 20, 1409, 2818, 5636, 7045, 14090, 281801, 28181
Number of properties05
Chen primes 1493rd
Harmonic primes 1147th
Primes 3072nd
Pythagorean primes 1529th
Twin primes (1st member) 449th
Roman numberals  
Base 211011100001010021101110000101012
Base 31102122201311021222023
Base 4123201104123201114
Base 51400210514002115
Base 633424463342456
Base 714510571451067
Base 8670248670258
Base 9425819425829
Base 1028180102818110
Base 111a199111a19a11
Base 1214384121438512
Base 13ca9913ca9a13
Base 14a3ac14a3ad14
Base 15853a15853b15
Base 166e14166e1516
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