Compare 257986 vs 257989

Property	257986	257989
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	2¹ × 128993¹	257989¹
Prime factorization	2 × 128993	257989
Divisors count	4	2
Divisors	1, 2, 128993, 257986	1, 257989
Number of properties	1	5
Cousin primes (1st member)		2645th
Long primes		8489th
Primes		22674th
Prime triplets (2nd member)		1031st
Semiprimes	57644th
Twin primes (2nd member)		2650th
Roman numberals
Base 2	111110111111000010₂	111110111111000101₂
Base 3	111002220001₃	111002220011₃
Base 4	332333002₄	332333011₄
Base 5	31223421₅	31223424₅
Base 6	5310214₆	5310221₆
Base 7	2123101₇	2123104₇
Base 8	767702₈	767705₈
Base 9	432801₉	432804₉
Base 10	257986₁₀	257989₁₀
Base 11	166913₁₁	166916₁₁
Base 12	10536a₁₂	105371₁₂
Base 13	90571₁₃	90574₁₃
Base 14	6a038₁₄	6a03b₁₄
Base 15	51691₁₅	51694₁₅
Base 16	3efc2₁₆	3efc5₁₆