1. Numbers
  2. Compare 27997 vs 28007

Compare 27997 vs 28007

Property2799728007
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization27997171 × 40011
Prime factorization279977 × 4001
Divisors count24
Divisors1, 279971, 7, 4001, 28007
Number of properties51
Cousin primes (1st member)447th 
Harmonic primes1140th 
Isolated primes2164th 
Primes3055th 
Pythagorean primes1522nd 
Semiprimes 6984th
Roman numberals  
Base 211011010101110121101101011001112
Base 31102101221311021020223
Base 4123111314123112134
Base 51343442513440125
Base 633334163333556
Base 714442471444407
Base 8665358665478
Base 9423579423689
Base 1027997102800710
Base 111a042111a05111
Base 1214251121425b12
Base 13c98813c99513
Base 14a2bb14a2c714
Base 15846715847215
Base 166d5d166d6716
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