Compare 666989 vs 667229

Property	666989	667229
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	666989¹	667229¹
Prime factorization	666989	667229
Divisors count	2	2
Divisors	1, 666989	1, 667229
Number of properties	4	2
Chen primes	21147th
Isolated primes	42418th	42428th
Primes	54095th	54109th
Sexy primes (2nd member)	11671st
Roman numberals
Base 2	10100010110101101101₂	10100010111001011101₂
Base 3	1020212221022₃	1020220021012₃
Base 4	2202311231₄	2202321131₄
Base 5	132320424₅	132322404₅
Base 6	22143525₆	22145005₆
Base 7	5445401₇	5446163₇
Base 8	2426555₈	2427135₈
Base 9	1225838₉	1226235₉
Base 10	666989₁₀	667229₁₀
Base 11	416134₁₁	416332₁₁
Base 12	281ba5₁₂	282165₁₂
Base 13	1a478b₁₃	1a4914₁₃
Base 14	135101₁₄	135233₁₄
Base 15	d295e₁₅	d2a6e₁₅
Base 16	a2d6d₁₆	a2e5d₁₆