Compare 670987 vs 670990

Property	670987	670990
Type	prime	composite number
Unique factors	1	4
Total factors	1	4
Prime factorization	670987¹	2¹ × 5¹ × 17¹ × 3947¹
Prime factorization	670987	2 × 5 × 17 × 3947
Divisors count	2	16
Divisors	1, 670987	1, 2, 5, 10, 17, 34, 85, 170, 3947, 7894, 19735, 39470, 67099, 134198, 335495, 670990
Number of properties	4	0
Additive primes	21234th
Cousin primes (1st member)	5864th
Isolated primes	42650th
Primes	54383rd
Roman numberals
Base 2	10100011110100001011₂	10100011110100001110₂
Base 3	1021002102101₃	1021002102111₃
Base 4	2203310023₄	2203310032₄
Base 5	132432422₅	132432430₅
Base 6	22214231₆	22214234₆
Base 7	5463142₇	5463145₇
Base 8	2436413₈	2436416₈
Base 9	1232371₉	1232374₉
Base 10	670987₁₀	670990₁₀
Base 11	419139₁₁	419141₁₁
Base 12	284377₁₂	28437a₁₂
Base 13	1a6545₁₃	1a6548₁₃
Base 14	136759₁₄	13675c₁₄
Base 15	d3c27₁₅	d3c2a₁₅
Base 16	a3d0b₁₆	a3d0e₁₆