Compare 991225 vs 991229

Property	991225	991229
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	5² × 31¹ × 1279¹	991229¹
Prime factorization	5 × 5 × 31 × 1279	991229
Divisors count	12	2
Divisors	1, 5, 25, 31, 155, 775, 1279, 6395, 31975, 39649, 198245, 991225	1, 991229
Number of properties	0	4
Isolated primes		61652nd
Primes		77869th
Sexy primes (2nd member)		16269th
Sexy prime triplets (3rd member)		2884th
Roman numberals
Base 2	11110001111111111001₂	11110001111111111101₂
Base 3	1212100201001₃	1212100201012₃
Base 4	3301333321₄	3301333331₄
Base 5	223204400₅	223204404₅
Base 6	33125001₆	33125005₆
Base 7	11265604₇	11265611₇
Base 8	3617771₈	3617775₈
Base 9	1770631₉	1770635₉
Base 10	991225₁₀	991229₁₀
Base 11	6177a4₁₁	6177a8₁₁
Base 12	3b9761₁₂	3b9765₁₂
Base 13	289231₁₃	289235₁₃
Base 14	1bb33b₁₄	1bb341₁₄
Base 15	148a6a₁₅	148a6e₁₅
Base 16	f1ff9₁₆	f1ffd₁₆