Compare 642861 vs 642869

Property	642861	642869
Type	composite number	prime
Unique factors	2	1
Total factors	3	1
Prime factorization	3² × 71429¹	642869¹
Prime factorization	3 × 3 × 71429	642869
Divisors count	6	2
Divisors	1, 3, 9, 71429, 214287, 642861	1, 642869
Number of properties	0	4
Chen primes		20449th
Good primes		1992nd
Primes		52278th
Twin primes (1st member)		5655th
Roman numberals
Base 2	10011100111100101101₂	10011100111100110101₂
Base 3	1012122211200₃	1012122211222₃
Base 4	2130330231₄	2130330311₄
Base 5	131032421₅	131032434₅
Base 6	21440113₆	21440125₆
Base 7	5315142₇	5315153₇
Base 8	2347455₈	2347465₈
Base 9	1178750₉	1178758₉
Base 10	642861₁₀	642869₁₀
Base 11	3a9a9a₁₁	3a9aa7₁₁
Base 12	270039₁₂	270045₁₂
Base 13	1967bb₁₃	1967c6₁₃
Base 14	12a3c9₁₄	12a3d3₁₄
Base 15	ca726₁₅	ca72e₁₅
Base 16	9cf2d₁₆	9cf35₁₆