Compare 661387 vs 661393

Property	661387	661393
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	53¹ × 12479¹	661393¹
Prime factorization	53 × 12479	661393
Divisors count	4	2
Divisors	1, 53, 12479, 661387	1, 661393
Number of properties	1	2
Isolated primes		42094th
Primes		53677th
Semiprimes	141518th
Roman numberals
Base 2	10100001011110001011₂	10100001011110010001₂
Base 3	1020121020211₃	1020121021001₃
Base 4	2201132023₄	2201132101₄
Base 5	132131022₅	132131033₅
Base 6	22101551₆	22102001₆
Base 7	5423146₇	5423155₇
Base 8	2413613₈	2413621₈
Base 9	1217224₉	1217231₉
Base 10	661387₁₀	661393₁₀
Base 11	411a01₁₁	411a07₁₁
Base 12	27a8b7₁₂	27a901₁₂
Base 13	1a206c₁₃	1a2075₁₃
Base 14	13305d₁₄	133065₁₄
Base 15	d0e77₁₅	d0e7d₁₅
Base 16	a178b₁₆	a1791₁₆