Compare 199811 vs 199817

Property199811199817
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization19981112111 × 9471
Prime factorization199811211 × 947
Divisors count24
Divisors1, 1998111, 211, 947, 199817
Number of properties81
Additive primes7214th 
Chen primes7520th 
Cousin primes (2nd member)2134th 
Harmonic primes6753rd 
Long primes6734th 
Primes17970th 
Prime triplets (2nd member)840th 
Semiprimes 45189th
Twin primes (1st member)2159th 
Roman numberals  
Base 211000011001000001121100001100100010012
Base 310101100210231010110021223
Base 430030200343003020214
Base 5223432215223432325
Base 64141015641410256
Base 71461353714613627
Base 860620386062118
Base 933407293340789
Base 101998111019981710
Base 111271371112714211
Base 129776b129777512
Base 136cc41136cc4713
Base 1452b631452b6914
Base 153e30b153e31215
Base 1630c831630c8916
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