1. Numbers
  2. Compare 28001 vs 28007

Compare 28001 vs 28007

Property2800128007
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization28001171 × 40011
Prime factorization280017 × 4001
Divisors count24
Divisors1, 280011, 7, 4001, 28007
Number of properties71
Additive primes1401st 
Chen primes1486th 
Cousin primes (2nd member)447th 
Isolated primes2165th 
Primes3056th 
Pythagorean primes1523rd 
Semiprimes 6984th
Sophie germain primes424th 
Roman numberals  
Base 211011010110000121101101011001112
Base 31102102002311021020223
Base 4123112014123112134
Base 51344001513440125
Base 633334563333556
Base 714443171444407
Base 8665418665478
Base 9423629423689
Base 1028001102800710
Base 111a046111a05111
Base 1214255121425b12
Base 13c98c13c99513
Base 14a2c114a2c714
Base 15846b15847215
Base 166d61166d6716
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