Compare 247421 vs 248639

Property	247421	248639
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	247421¹	248639¹
Prime factorization	247421	248639
Divisors count	2	2
Divisors	1, 247421	1, 248639
Number of properties	4	6
Chen primes		9079th
Harmonic primes		8189th
Isolated primes	16698th
Long primes	8171st
Primes	21827th	21933rd
Sophie germain primes	2446th	2458th
Twin primes (1st member)		2579th
Ulam primes		1571st
Roman numberals
Base 2	111100011001111101₂	111100101100111111₂
Base 3	110120101202₃	110122001212₃
Base 4	330121331₄	330230333₄
Base 5	30404141₅	30424024₅
Base 6	5145245₆	5155035₆
Base 7	2050226₇	2053616₇
Base 8	743175₈	745477₈
Base 9	416352₉	418055₉
Base 10	247421₁₀	248639₁₀
Base 11	159989₁₁	15a896₁₁
Base 12	bb225₁₂	bba7b₁₂
Base 13	88805₁₃	89231₁₃
Base 14	6624d₁₄	6687d₁₄
Base 15	4d49b₁₅	4da0e₁₅
Base 16	3c67d₁₆	3cb3f₁₆