1. Numbers
  2. Compare 28001 vs 28013

Compare 28001 vs 28013

Property2800128013
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization2800111091 × 2571
Prime factorization28001109 × 257
Divisors count24
Divisors1, 280011, 109, 257, 28013
Number of properties71
Additive primes1401st 
Chen primes1486th 
Cousin primes (2nd member)447th 
Isolated primes2165th 
Primes3056th 
Pythagorean primes1523rd 
Semiprimes 6987th
Sophie germain primes424th 
Roman numberals  
Base 211011010110000121101101011011012
Base 31102102002311021021123
Base 4123112014123112314
Base 51344001513440235
Base 633334563334056
Base 714443171444467
Base 8665418665558
Base 9423629423759
Base 1028001102801310
Base 111a046111a05711
Base 1214255121426512
Base 13c98c13c99b13
Base 14a2c114a2cd14
Base 15846b15847815
Base 166d61166d6d16
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