Compare 991996 vs 991999

Property	991996	991999
Type	composite number	prime
Unique factors	2	1
Total factors	3	1
Prime factorization	2² × 247999¹	991999¹
Prime factorization	2 × 2 × 247999	991999
Divisors count	6	2
Divisors	1, 2, 4, 247999, 495998, 991996	1, 991999
Number of properties	0	4
Emirps		10999th
Isolated primes		61702nd
Lucky primes		8558th
Primes		77927th
Roman numberals
Base 2	11110010001011111100₂	11110010001011111111₂
Base 3	1212101202121₃	1212101202201₃
Base 4	3302023330₄	3302023333₄
Base 5	223220441₅	223220444₅
Base 6	33132324₆	33132331₆
Base 7	11301055₇	11301061₇
Base 8	3621374₈	3621377₈
Base 9	1771677₉	1771681₉
Base 10	991996₁₀	991999₁₀
Base 11	618335₁₁	618338₁₁
Base 12	3ba0a4₁₂	3ba0a7₁₂
Base 13	2896a5₁₃	2896a8₁₃
Base 14	1bb72c₁₄	1bb731₁₄
Base 15	148dd1₁₅	148dd4₁₅
Base 16	f22fc₁₆	f22ff₁₆