Compare 661889 vs 661900

Property	661889	661900
Type	prime	composite number
Unique factors	1	3
Total factors	1	5
Prime factorization	661889¹	2² × 5² × 6619¹
Prime factorization	661889	2 × 2 × 5 × 5 × 6619
Divisors count	2	18
Divisors	1, 661889	1, 2, 4, 5, 10, 20, 25, 50, 100, 6619, 13238, 26476, 33095, 66190, 132380, 165475, 330950, 661900
Number of properties	6	0
Chen primes	21006th
Isolated primes	42121st
Primes	53708th
Sexy primes (2nd member)	11598th
Sexy prime triplets (3rd member)	2116th
Sophie germain primes	5460th
Roman numberals
Base 2	10100001100110000001₂	10100001100110001100₂
Base 3	1020121221102₃	1020121221211₃
Base 4	2201212001₄	2201212030₄
Base 5	132140024₅	132140100₅
Base 6	22104145₆	22104204₆
Base 7	5424464₇	5424511₇
Base 8	2414601₈	2414614₈
Base 9	1217842₉	1217854₉
Base 10	661889₁₀	661900₁₀
Base 11	412318₁₁	412328₁₁
Base 12	27b055₁₂	27b064₁₂
Base 13	1a2367₁₃	1a2375₁₃
Base 14	1332db₁₄	133308₁₄
Base 15	d11ae₁₅	d11ba₁₅
Base 16	a1981₁₆	a198c₁₆