Compare 661481 vs 661663

Property	661481	661663
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	661481¹	661663¹
Prime factorization	661481	661663
Divisors count	2	2
Divisors	1, 661481	1, 661663
Number of properties	6	2
Chen primes	20997th
Cousin primes (2nd member)	5787th
Isolated primes		42109th
Primes	53683rd	53694th
Prime triplets (2nd member)	2107th
Sophie germain primes	5458th
Twin primes (1st member)	5793rd
Roman numberals
Base 2	10100001011111101001₂	10100001100010011111₂
Base 3	1020121101022₃	1020121122001₃
Base 4	2201133221₄	2201202133₄
Base 5	132131411₅	132133123₅
Base 6	22102225₆	22103131₆
Base 7	5423342₇	5424022₇
Base 8	2413751₈	2414237₈
Base 9	1217338₉	1217561₉
Base 10	661481₁₀	661663₁₀
Base 11	411a87₁₁	412132₁₁
Base 12	27a975₁₂	27aaa7₁₂
Base 13	1a2112₁₃	1a2222₁₃
Base 14	1330c9₁₄	1331b9₁₄
Base 15	d0edb₁₅	d10ad₁₅
Base 16	a17e9₁₆	a189f₁₆