Compare 199813 vs 199820

Property199813199820
Typeprimecomposite number
Unique factors14
Total factors15
Prime factorization199813122 × 51 × 971 × 1031
Prime factorization1998132 × 2 × 5 × 97 × 103
Divisors count224
Divisors1, 1998131, 2, 4, 5, 10, 20, 97, 103, 194, 206, 388, 412, 485, 515, 970, 1030, 1940, 2060, 9991, 19982, 39964, 49955, 99910, 199820
Number of properties100
Additive primes7215th 
Harmonic primes6754th 
Primes17971st 
Prime triplets (3rd member)840th 
Pythagorean primes8969th 
Sexy primes (1st member)4294th 
Sexy primes (2nd member)4293rd 
Sexy prime triplets (2nd member)865th 
Super primes2060th 
Twin primes (2nd member)2159th 
Roman numberals  
Base 211000011001000010121100001100100011002
Base 310101100211131010110022023
Base 430030201143003020304
Base 5223432235223432405
Base 64141021641410326
Base 71461355714613657
Base 860620586062148
Base 933407493340829
Base 101998131019982010
Base 111271391112714511
Base 1297771129777812
Base 136cc43136cc4a13
Base 1452b651452b6c14
Base 153e30d153e31515
Base 1630c851630c8c16
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