Compare 991217 vs 991225

Property	991217	991225
Type	prime	composite number
Unique factors	1	3
Total factors	1	4
Prime factorization	991217¹	5² × 31¹ × 1279¹
Prime factorization	991217	5 × 5 × 31 × 1279
Divisors count	2	12
Divisors	1, 991217	1, 5, 25, 31, 155, 775, 1279, 6395, 31975, 39649, 198245, 991225
Number of properties	7	0
Additive primes	29884th
Emirps	10978th
Isolated primes	61650th
Primes	77867th
Sexy primes (1st member)	16268th
Sexy prime triplets (1st member)	2884th
Super primes	7653rd
Roman numberals
Base 2	11110001111111110001₂	11110001111111111001₂
Base 3	1212100200202₃	1212100201001₃
Base 4	3301333301₄	3301333321₄
Base 5	223204332₅	223204400₅
Base 6	33124545₆	33125001₆
Base 7	11265563₇	11265604₇
Base 8	3617761₈	3617771₈
Base 9	1770622₉	1770631₉
Base 10	991217₁₀	991225₁₀
Base 11	617797₁₁	6177a4₁₁
Base 12	3b9755₁₂	3b9761₁₂
Base 13	289226₁₃	289231₁₃
Base 14	1bb333₁₄	1bb33b₁₄
Base 15	148a62₁₅	148a6a₁₅
Base 16	f1ff1₁₆	f1ff9₁₆