Compare 161639 vs 161640

Property	161639	161640
Type	prime	composite number
Unique factors	1	4
Total factors	1	7
Prime factorization	161639¹	2³ × 3² × 5¹ × 449¹
Prime factorization	161639	2 × 2 × 2 × 3 × 3 × 5 × 449
Divisors count	2	48
Divisors	1, 161639	1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 449, 898, 1347, 1796, 2245, 2694, 3592, 4041, 4490, 5388, 6735, 8082, 8980, 10776, 13470, 16164, 17960, 20205, 26940, 32328, 40410, 53880, 80820, 161640
Number of properties	6	0
Chen primes	6320th
Emirps	3262nd
Primes	14821st
Safe primes	985th
Super primes	1736th
Twin primes (1st member)	1816th
Roman numberals
Base 2	100111011101100111₂	100111011101101000₂
Base 3	22012201122₃	22012201200₃
Base 4	213131213₄	213131220₄
Base 5	20133024₅	20133030₅
Base 6	3244155₆	3244200₆
Base 7	1242152₇	1242153₇
Base 8	473547₈	473550₈
Base 9	265648₉	265650₉
Base 10	161639₁₀	161640₁₀
Base 11	100495₁₁	100496₁₁
Base 12	7965b₁₂	79660₁₂
Base 13	5875a₁₃	5875b₁₃
Base 14	42c99₁₄	42c9a₁₄
Base 15	32d5e₁₅	32d60₁₅
Base 16	27767₁₆	27768₁₆