Compare 247991 vs 248243

Property	247991	248243
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	247991¹	248243¹
Prime factorization	247991	248243
Divisors count	2	2
Divisors	1, 247991	1, 248243
Number of properties	8	5
Additive primes		8873rd
Chen primes	9055th
Harmonic primes	8166th
Isolated primes		16746th
Primes	21873rd	21899th
Prime quadruplets (1st member)	60th
Prime triplets (1st member)	1001st
Safe primes		1403rd
Sexy primes (1st member)	5105th
Sophie germain primes	2452nd	2455th
Twin primes (1st member)	2573rd
Roman numberals
Base 2	111100100010110111₂	111100100110110011₂
Base 3	110121011212₃	110121112012₃
Base 4	330202313₄	330212303₄
Base 5	30413431₅	30420433₅
Base 6	5152035₆	5153135₆
Base 7	2052002₇	2052512₇
Base 8	744267₈	744663₈
Base 9	417155₉	417465₉
Base 10	247991₁₀	248243₁₀
Base 11	15a357₁₁	15a566₁₁
Base 12	bb61b₁₂	bb7ab₁₂
Base 13	88b53₁₃	88cb8₁₃
Base 14	66539₁₄	66679₁₄
Base 15	4d72b₁₅	4d848₁₅
Base 16	3c8b7₁₆	3c9b3₁₆