1. Numbers
  2. Compare 19681 vs 19889

Compare 19681 vs 19889

Property1968119889
Typeprimeprime
Unique factors11
Total factors11
Prime factorization196811198891
Prime factorization1968119889
Divisors count22
Divisors1, 196811, 19889
Number of properties78
Chen primes 1106th
Emirps616th 
Good primes 255th
Happy primes 374th
Harmonic primes805th814th
Isolated primes1556th 
Primes2227th2249th
Pythagorean primes1106th1118th
Sexy primes (1st member)687th 
Sophie germain primes 323rd
Twin primes (1st member) 340th
Ulam primes163rd 
Roman numberals  
Base 210011001110000121001101101100012
Base 3222222221310000211223
Base 4103032014103123014
Base 51112211511140245
Base 623104162320256
Base 711124471116627
Base 8463418466618
Base 9288879302489
Base 1019681101988910
Base 11138721113a4111
Base 12b48112b61512
Base 138c5c13908c13
Base 14725b14736914
Base 155c71155d5e15
Base 164ce1164db116
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