Compare 661949 vs 661961

Property	661949	661961
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	661949¹	661961¹
Prime factorization	661949	661961
Divisors count	2	2
Divisors	1, 661949	1, 661961
Number of properties	4	4
Additive primes		20969th
Chen primes	21008th
Isolated primes		42126th
Primes	53713th	53715th
Sophie germain primes	5461st	5462nd
Twin primes (1st member)	5795th
Roman numberals
Base 2	10100001100110111101₂	10100001100111001001₂
Base 3	1020122000122₃	1020122001002₃
Base 4	2201212331₄	2201213021₄
Base 5	132140244₅	132140321₅
Base 6	22104325₆	22104345₆
Base 7	5424611₇	5424626₇
Base 8	2414675₈	2414711₈
Base 9	1218018₉	1218032₉
Base 10	661949₁₀	661961₁₀
Base 11	412372₁₁	412383₁₁
Base 12	27b0a5₁₂	27b0b5₁₂
Base 13	1a23b2₁₃	1a23c1₁₃
Base 14	133341₁₄	13334d₁₄
Base 15	d11ee₁₅	d120b₁₅
Base 16	a19bd₁₆	a19c9₁₆