Compare 670991 vs 671001

Property	670991	671001
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	670991¹	3¹ × 223667¹
Prime factorization	670991	3 × 223667
Divisors count	2	4
Divisors	1, 670991	1, 3, 223667, 671001
Number of properties	5	1
Chen primes	21254th
Cousin primes (2nd member)	5864th
Isolated primes	42651st
Primes	54384th
Semiprimes		143500th
Sophie germain primes	5525th
Roman numberals
Base 2	10100011110100001111₂	10100011110100011001₂
Base 3	1021002102112₃	1021002102220₃
Base 4	2203310033₄	2203310121₄
Base 5	132432431₅	132433001₅
Base 6	22214235₆	22214253₆
Base 7	5463146₇	5463162₇
Base 8	2436417₈	2436431₈
Base 9	1232375₉	1232386₉
Base 10	670991₁₀	671001₁₀
Base 11	419142₁₁	419151₁₁
Base 12	28437b₁₂	284389₁₂
Base 13	1a6549₁₃	1a6556₁₃
Base 14	13675d₁₄	136769₁₄
Base 15	d3c2b₁₅	d3c36₁₅
Base 16	a3d0f₁₆	a3d19₁₆