1. Numbers
  2. Compare 27997 vs 28001

Compare 27997 vs 28001

Property2799728001
Typeprimeprime
Unique factors11
Total factors11
Prime factorization279971280011
Prime factorization2799728001
Divisors count22
Divisors1, 279971, 28001
Number of properties57
Additive primes 1401st
Chen primes 1486th
Cousin primes (1st member)447th 
Cousin primes (2nd member) 447th
Harmonic primes1140th 
Isolated primes2164th2165th
Primes3055th3056th
Pythagorean primes1522nd1523rd
Sophie germain primes 424th
Roman numberals  
Base 211011010101110121101101011000012
Base 31102101221311021020023
Base 4123111314123112014
Base 51343442513440015
Base 633334163333456
Base 714442471444317
Base 8665358665418
Base 9423579423629
Base 1027997102800110
Base 111a042111a04611
Base 1214251121425512
Base 13c98813c98c13
Base 14a2bb14a2c114
Base 15846715846b15
Base 166d5d166d6116
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