Compare 661139 vs 661148

Property	661139	661148
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	661139¹	2² × 165287¹
Prime factorization	661139	2 × 2 × 165287
Divisors count	2	6
Divisors	1, 661139	1, 2, 4, 165287, 330574, 661148
Number of properties	4	0
Chen primes	20993rd
Isolated primes	42080th
Primes	53661st
Safe primes	3099th
Roman numberals
Base 2	10100001011010010011₂	10100001011010011100₂
Base 3	1020120220122₃	1020120220222₃
Base 4	2201122103₄	2201122130₄
Base 5	132124024₅	132124043₅
Base 6	22100455₆	22100512₆
Base 7	5422343₇	5422355₇
Base 8	2413223₈	2413234₈
Base 9	1216818₉	1216828₉
Base 10	661139₁₀	661148₁₀
Base 11	4117a6₁₁	411804₁₁
Base 12	27a72b₁₂	27a738₁₂
Base 13	1a1c0b₁₃	1a1c17₁₃
Base 14	132d23₁₄	132d2c₁₄
Base 15	d0d5e₁₅	d0d68₁₅
Base 16	a1693₁₆	a169c₁₆