Compare 642869 vs 642947

Property	642869	642947
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	642869¹	642947¹
Prime factorization	642869	642947
Divisors count	2	2
Divisors	1, 642869	1, 642947
Number of properties	4	4
Chen primes	20449th	20451st
Good primes	1992nd
Isolated primes		40977th
Primes	52278th	52286th
Sexy primes (1st member)		11327th
Twin primes (1st member)	5655th
Roman numberals
Base 2	10011100111100110101₂	10011100111110000011₂
Base 3	1012122211222₃	1012122221212₃
Base 4	2130330311₄	2130332003₄
Base 5	131032434₅	131033242₅
Base 6	21440125₆	21440335₆
Base 7	5315153₇	5315324₇
Base 8	2347465₈	2347603₈
Base 9	1178758₉	1178855₉
Base 10	642869₁₀	642947₁₀
Base 11	3a9aa7₁₁	3aa068₁₁
Base 12	270045₁₂	2700ab₁₂
Base 13	1967c6₁₃	196856₁₃
Base 14	12a3d3₁₄	12a44b₁₄
Base 15	ca72e₁₅	ca782₁₅
Base 16	9cf35₁₆	9cf83₁₆