1. Numbers
  2. Compare 28073 vs 28081

Compare 28073 vs 28081

Property2807328081
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization671 × 4191280811
Prime factorization67 × 41928081
Divisors count42
Divisors1, 67, 419, 280731, 28081
Number of properties17
Additive primes 1403rd
Happy primes 493rd
Isolated primes 2172nd
Primes 3063rd
Pythagorean primes 1526th
Semiprimes7000th 
Sexy primes (1st member) 905th
Ulam primes 234th
Roman numberals  
Base 211011011010100121101101101100012
Base 31102111202311021120013
Base 4123122214123123014
Base 51344243513443115
Base 633354563340016
Base 714456371446047
Base 8666518666618
Base 9424529424619
Base 1028073102808110
Base 111a101111a10911
Base 12142b5121430112
Base 13ca1613ca2113
Base 14a33314a33b14
Base 1584b81584c115
Base 166da9166db116
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