Compare 247991 vs 248639

Property	247991	248639
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	247991¹	248639¹
Prime factorization	247991	248639
Divisors count	2	2
Divisors	1, 247991	1, 248639
Number of properties	8	6
Chen primes	9055th	9079th
Harmonic primes	8166th	8189th
Primes	21873rd	21933rd
Prime quadruplets (1st member)	60th
Prime triplets (1st member)	1001st
Sexy primes (1st member)	5105th
Sophie germain primes	2452nd	2458th
Twin primes (1st member)	2573rd	2579th
Ulam primes		1571st
Roman numberals
Base 2	111100100010110111₂	111100101100111111₂
Base 3	110121011212₃	110122001212₃
Base 4	330202313₄	330230333₄
Base 5	30413431₅	30424024₅
Base 6	5152035₆	5155035₆
Base 7	2052002₇	2053616₇
Base 8	744267₈	745477₈
Base 9	417155₉	418055₉
Base 10	247991₁₀	248639₁₀
Base 11	15a357₁₁	15a896₁₁
Base 12	bb61b₁₂	bba7b₁₂
Base 13	88b53₁₃	89231₁₃
Base 14	66539₁₄	6687d₁₄
Base 15	4d72b₁₅	4da0e₁₅
Base 16	3c8b7₁₆	3cb3f₁₆