Compare 247771 vs 247991

Property	247771	247991
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	247771¹	247991¹
Prime factorization	247771	247991
Divisors count	2	2
Divisors	1, 247771	1, 247991
Number of properties	6	8
Chen primes	9048th	9055th
Harmonic primes	8160th	8166th
Lucky primes	2736th
Primes	21857th	21873rd
Prime quadruplets (1st member)		60th
Prime triplets (1st member)		1001st
Sexy primes (1st member)		5105th
Sophie germain primes		2452nd
Twin primes (1st member)		2573rd
Twin primes (2nd member)	2571st
Ulam primes	1565th
Roman numberals
Base 2	111100011111011011₂	111100100010110111₂
Base 3	110120212201₃	110121011212₃
Base 4	330133123₄	330202313₄
Base 5	30412041₅	30413431₅
Base 6	5151031₆	5152035₆
Base 7	2051236₇	2052002₇
Base 8	743733₈	744267₈
Base 9	416781₉	417155₉
Base 10	247771₁₀	247991₁₀
Base 11	15a177₁₁	15a357₁₁
Base 12	bb477₁₂	bb61b₁₂
Base 13	88a14₁₃	88b53₁₃
Base 14	6641d₁₄	66539₁₄
Base 15	4d631₁₅	4d72b₁₅
Base 16	3c7db₁₆	3c8b7₁₆