Compare 620639 vs 620689

Property	620639	620689
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	620639¹	620689¹
Prime factorization	620639	620689
Divisors count	2	2
Divisors	1, 620639	1, 620689
Number of properties	3	6
Additive primes		19801st
Chen primes	19854th	19857th
Cousin primes (1st member)		5489th
Isolated primes	39698th	39703rd
Lucky primes		5843rd
Primes	50661st	50666th
Roman numberals
Base 2	10010111100001011111₂	10010111100010010001₂
Base 3	1011112100122₃	1011112102111₃
Base 4	2113201133₄	2113202101₄
Base 5	124330024₅	124330224₅
Base 6	21145155₆	21145321₆
Base 7	5163305₇	5163406₇
Base 8	2274137₈	2274221₈
Base 9	1145318₉	1145374₉
Base 10	620639₁₀	620689₁₀
Base 11	394328₁₁	394373₁₁
Base 12	25b1bb₁₂	25b241₁₂
Base 13	189656₁₃	189694₁₃
Base 14	122275₁₄	1222ad₁₄
Base 15	c3d5e₁₅	c3d94₁₅
Base 16	9785f₁₆	97891₁₆