Compare 161990 vs 161999

Property	161990	161999
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	2¹ × 5¹ × 97¹ × 167¹	161999¹
Prime factorization	2 × 5 × 97 × 167	161999
Divisors count	16	2
Divisors	1, 2, 5, 10, 97, 167, 194, 334, 485, 835, 970, 1670, 16199, 32398, 80995, 161990	1, 161999
Number of properties	0	4
Chen primes		6332nd
Harmonic primes		5570th
Isolated primes		11209th
Primes		14852nd
Roman numberals
Base 2	100111100011000110₂	100111100011001111₂
Base 3	22020012122₃	22020012222₃
Base 4	213203012₄	213203033₄
Base 5	20140430₅	20140444₅
Base 6	3245542₆	3245555₆
Base 7	1243163₇	1243205₇
Base 8	474306₈	474317₈
Base 9	266178₉	266188₉
Base 10	161990₁₀	161999₁₀
Base 11	100784₁₁	100792₁₁
Base 12	798b2₁₂	798bb₁₂
Base 13	5896a₁₃	58976₁₃
Base 14	4306a₁₄	43075₁₄
Base 15	32ee5₁₅	32eee₁₅
Base 16	278c6₁₆	278cf₁₆