1. Numbers
  2. Compare 28109 vs 28115

Compare 28109 vs 28115

Property2810928115
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization28109151 × 56231
Prime factorization281095 × 5623
Divisors count24
Divisors1, 281091, 5, 5623, 28115
Number of properties61
Chen primes1490th 
Long primes1168th 
Primes3067th 
Pythagorean primes1528th 
Semiprimes 7008th
Super primes439th 
Twin primes (1st member)448th 
Roman numberals  
Base 211011011100110121101101110100112
Base 31102120002311021200223
Base 4123130314123131034
Base 51344414513444305
Base 633404563340556
Base 714464471446537
Base 8667158667238
Base 9425029425089
Base 1028109102811510
Base 111a134111a13a11
Base 1214325121432b12
Base 13ca4313ca4913
Base 14a35b14a36314
Base 1584de1584e515
Base 166dcd166dd316
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