Compare 642241 vs 643691

Property	642241	643691
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	642241¹	643691¹
Prime factorization	642241	643691
Divisors count	2	2
Divisors	1, 642241	1, 643691
Number of properties	5	7
Additive primes	20418th	20459th
Chen primes		20470th
Isolated primes	40943rd
Primes	52242nd	52339th
Prime triplets (1st member)		2065th
Sexy primes (1st member)	11320th	11334th
Sexy prime triplets (1st member)	2077th	2079th
Twin primes (1st member)		5658th
Roman numberals
Base 2	10011100110011000001₂	10011101001001101011₂
Base 3	1012121222201₃	1012200222102₃
Base 4	2130303001₄	2131021223₄
Base 5	131022431₅	131044231₅
Base 6	21433201₆	21444015₆
Base 7	5313265₇	5320436₇
Base 8	2346301₈	2351153₈
Base 9	1177881₉	1180872₉
Base 10	642241₁₀	643691₁₀
Base 11	3a9586₁₁	3aa684₁₁
Base 12	26b801₁₂	27060b₁₂
Base 13	196432₁₃	196ca9₁₃
Base 14	12a0a5₁₄	12a81d₁₄
Base 15	ca461₁₅	caacb₁₅
Base 16	9ccc1₁₆	9d26b₁₆