Compare 670639 vs 670991

Property	670639	670991
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	670639¹	670991¹
Prime factorization	670639	670991
Divisors count	2	2
Divisors	1, 670639	1, 670991
Number of properties	4	5
Additive primes	21223rd
Chen primes	21246th	21254th
Cousin primes (2nd member)		5864th
Isolated primes	42629th	42651st
Primes	54360th	54384th
Sophie germain primes		5525th
Roman numberals
Base 2	10100011101110101111₂	10100011110100001111₂
Base 3	1021001221111₃	1021002102112₃
Base 4	2203232233₄	2203310033₄
Base 5	132430024₅	132432431₅
Base 6	22212451₆	22214235₆
Base 7	5462134₇	5463146₇
Base 8	2435657₈	2436417₈
Base 9	1231844₉	1232375₉
Base 10	670639₁₀	670991₁₀
Base 11	418952₁₁	419142₁₁
Base 12	284127₁₂	28437b₁₂
Base 13	1a6338₁₃	1a6549₁₃
Base 14	13658b₁₄	13675d₁₄
Base 15	d3a94₁₅	d3c2b₁₅
Base 16	a3baf₁₆	a3d0f₁₆