Compare 670991 vs 670999

Property	670991	670999
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	670991¹	7¹ × 95857¹
Prime factorization	670991	7 × 95857
Divisors count	2	4
Divisors	1, 670991	1, 7, 95857, 670999
Number of properties	5	1
Chen primes	21254th
Cousin primes (2nd member)	5864th
Isolated primes	42651st
Primes	54384th
Semiprimes		143499th
Sophie germain primes	5525th
Roman numberals
Base 2	10100011110100001111₂	10100011110100010111₂
Base 3	1021002102112₃	1021002102211₃
Base 4	2203310033₄	2203310113₄
Base 5	132432431₅	132432444₅
Base 6	22214235₆	22214251₆
Base 7	5463146₇	5463160₇
Base 8	2436417₈	2436427₈
Base 9	1232375₉	1232384₉
Base 10	670991₁₀	670999₁₀
Base 11	419142₁₁	41914a₁₁
Base 12	28437b₁₂	284387₁₂
Base 13	1a6549₁₃	1a6554₁₃
Base 14	13675d₁₄	136767₁₄
Base 15	d3c2b₁₅	d3c34₁₅
Base 16	a3d0f₁₆	a3d17₁₆