Compare 661949 vs 663191

Property	661949	663191
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	661949¹	663191¹
Prime factorization	661949	663191
Divisors count	2	2
Divisors	1, 661949	1, 663191
Number of properties	4	5
Chen primes	21008th	21040th
Isolated primes		42198th
Primes	53713th	53805th
Sophie germain primes	5461st	5472nd
Twin primes (1st member)	5795th
Ulam primes		3947th
Roman numberals
Base 2	10100001100110111101₂	10100001111010010111₂
Base 3	1020122000122₃	1020200201122₃
Base 4	2201212331₄	2201322113₄
Base 5	132140244₅	132210231₅
Base 6	22104325₆	22114155₆
Base 7	5424611₇	5431334₇
Base 8	2414675₈	2417227₈
Base 9	1218018₉	1220648₉
Base 10	661949₁₀	663191₁₀
Base 11	412372₁₁	4132a1₁₁
Base 12	27b0a5₁₂	27b95b₁₂
Base 13	1a23b2₁₃	1a2b29₁₃
Base 14	133341₁₄	13398b₁₄
Base 15	d11ee₁₅	d177b₁₅
Base 16	a19bd₁₆	a1e97₁₆