Compare 670987 vs 670991

Property	670987	670991
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	670987¹	670991¹
Prime factorization	670987	670991
Divisors count	2	2
Divisors	1, 670987	1, 670991
Number of properties	4	5
Additive primes	21234th
Chen primes		21254th
Cousin primes (1st member)	5864th
Cousin primes (2nd member)		5864th
Isolated primes	42650th	42651st
Primes	54383rd	54384th
Sophie germain primes		5525th
Roman numberals
Base 2	10100011110100001011₂	10100011110100001111₂
Base 3	1021002102101₃	1021002102112₃
Base 4	2203310023₄	2203310033₄
Base 5	132432422₅	132432431₅
Base 6	22214231₆	22214235₆
Base 7	5463142₇	5463146₇
Base 8	2436413₈	2436417₈
Base 9	1232371₉	1232375₉
Base 10	670987₁₀	670991₁₀
Base 11	419139₁₁	419142₁₁
Base 12	284377₁₂	28437b₁₂
Base 13	1a6545₁₃	1a6549₁₃
Base 14	136759₁₄	13675d₁₄
Base 15	d3c27₁₅	d3c2b₁₅
Base 16	a3d0b₁₆	a3d0f₁₆