Compare 661949 vs 663209

Property	661949	663209
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	661949¹	663209¹
Prime factorization	661949	663209
Divisors count	2	2
Divisors	1, 661949	1, 663209
Number of properties	4	5
Chen primes	21008th	21041st
Isolated primes		42200th
Primes	53713th	53807th
Sexy primes (2nd member)		11616th
Sophie germain primes	5461st	5473rd
Twin primes (1st member)	5795th
Roman numberals
Base 2	10100001100110111101₂	10100001111010101001₂
Base 3	1020122000122₃	1020200202022₃
Base 4	2201212331₄	2201322221₄
Base 5	132140244₅	132210314₅
Base 6	22104325₆	22114225₆
Base 7	5424611₇	5431361₇
Base 8	2414675₈	2417251₈
Base 9	1218018₉	1220668₉
Base 10	661949₁₀	663209₁₀
Base 11	412372₁₁	413308₁₁
Base 12	27b0a5₁₂	27b975₁₂
Base 13	1a23b2₁₃	1a2b41₁₃
Base 14	133341₁₄	1339a1₁₄
Base 15	d11ee₁₅	d178e₁₅
Base 16	a19bd₁₆	a1ea9₁₆