Compare 640069 vs 640078

Property	640069	640078
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	640069¹	2¹ × 320039¹
Prime factorization	640069	2 × 320039
Divisors count	2	4
Divisors	1, 640069	1, 2, 320039, 640078
Number of properties	2	1
Isolated primes	40820th
Primes	52083rd
Semiprimes		137157th
Roman numberals
Base 2	10011100010001000101₂	10011100010001001110₂
Base 3	1012112000021₃	1012112000121₃
Base 4	2130101011₄	2130101032₄
Base 5	130440234₅	130440303₅
Base 6	21415141₆	21415154₆
Base 7	5304043₇	5304055₇
Base 8	2342105₈	2342116₈
Base 9	1175007₉	1175017₉
Base 10	640069₁₀	640078₁₀
Base 11	3a7991₁₁	3a799a₁₁
Base 12	26a4b1₁₂	26a4ba₁₂
Base 13	195451₁₃	19545a₁₃
Base 14	129393₁₄	12939c₁₄
Base 15	c99b4₁₅	c99bd₁₅
Base 16	9c445₁₆	9c44e₁₆