Compare 642151 vs 642155

Property	642151	642155
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	642151¹	5¹ × 128431¹
Prime factorization	642151	5 × 128431
Divisors count	2	4
Divisors	1, 642151	1, 5, 128431, 642155
Number of properties	6	1
Additive primes	20414th
Chen primes	20433rd
Primes	52233rd
Semiprimes		137587th
Sexy primes (1st member)	11316th
Sexy prime triplets (1st member)	2075th
Twin primes (2nd member)	5649th
Roman numberals
Base 2	10011100110001100111₂	10011100110001101011₂
Base 3	1012121212101₃	1012121212112₃
Base 4	2130301213₄	2130301223₄
Base 5	131022101₅	131022110₅
Base 6	21432531₆	21432535₆
Base 7	5313106₇	5313113₇
Base 8	2346147₈	2346153₈
Base 9	1177771₉	1177775₉
Base 10	642151₁₀	642155₁₀
Base 11	3a9504₁₁	3a9508₁₁
Base 12	26b747₁₂	26b74b₁₂
Base 13	196393₁₃	196397₁₃
Base 14	12a03d₁₄	12a043₁₄
Base 15	ca401₁₅	ca405₁₅
Base 16	9cc67₁₆	9cc6b₁₆