Compare 642079 vs 642091

Property	642079	642091
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	642079¹	23¹ × 27917¹
Prime factorization	642079	23 × 27917
Divisors count	2	4
Divisors	1, 642079	1, 23, 27917, 642091
Number of properties	3	1
Lucky primes	5995th
Primes	52228th
Semiprimes		137570th
Twin primes (2nd member)	5648th
Roman numberals
Base 2	10011100110000011111₂	10011100110000101011₂
Base 3	1012121202201₃	1012121210011₃
Base 4	2130300133₄	2130300223₄
Base 5	131021304₅	131021331₅
Base 6	21432331₆	21432351₆
Base 7	5312644₇	5312662₇
Base 8	2346037₈	2346053₈
Base 9	1177681₉	1177704₉
Base 10	642079₁₀	642091₁₀
Base 11	3a9449₁₁	3a945a₁₁
Base 12	26b6a7₁₂	26b6b7₁₂
Base 13	196339₁₃	196348₁₃
Base 14	129dcb₁₄	129dd9₁₄
Base 15	ca3a4₁₅	ca3b1₁₅
Base 16	9cc1f₁₆	9cc2b₁₆