Compare 664949 vs 664973

Property	664949	664973
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	664949¹	664973¹
Prime factorization	664949	664973
Divisors count	2	2
Divisors	1, 664949	1, 664973
Number of properties	4	3
Chen primes	21097th
Isolated primes	42295th	42297th
Primes	53942nd	53944th
Sexy primes (2nd member)		11643rd
Sophie germain primes	5487th
Roman numberals
Base 2	10100010010101110101₂	10100010010110001101₂
Base 3	1020210010202₃	1020210011122₃
Base 4	2202111311₄	2202112031₄
Base 5	132234244₅	132234343₅
Base 6	22130245₆	22130325₆
Base 7	5436425₇	5436461₇
Base 8	2422565₈	2422615₈
Base 9	1223122₉	1223148₉
Base 10	664949₁₀	664973₁₀
Base 11	41464a₁₁	414671₁₁
Base 12	280985₁₂	2809a5₁₂
Base 13	1a387c₁₃	1a389a₁₃
Base 14	134485₁₄	1344a1₁₄
Base 15	d204e₁₅	d2068₁₅
Base 16	a2575₁₆	a258d₁₆