Compare 991228 vs 991229

Property	991228	991229
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	2² × 7¹ × 35401¹	991229¹
Prime factorization	2 × 2 × 7 × 35401	991229
Divisors count	12	2
Divisors	1, 2, 4, 7, 14, 28, 35401, 70802, 141604, 247807, 495614, 991228	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	11110001111111111100₂	11110001111111111101₂
Base 3	1212100201011₃	1212100201012₃
Base 4	3301333330₄	3301333331₄
Base 5	223204403₅	223204404₅
Base 6	33125004₆	33125005₆
Base 7	11265610₇	11265611₇
Base 8	3617774₈	3617775₈
Base 9	1770634₉	1770635₉
Base 10	991228₁₀	991229₁₀
Base 11	6177a7₁₁	6177a8₁₁
Base 12	3b9764₁₂	3b9765₁₂
Base 13	289234₁₃	289235₁₃
Base 14	1bb340₁₄	1bb341₁₄
Base 15	148a6d₁₅	148a6e₁₅
Base 16	f1ffc₁₆	f1ffd₁₆