Compare 640307 vs 640312

Property	640307	640312
Type	prime	composite number
Unique factors	1	2
Total factors	1	4
Prime factorization	640307¹	2³ × 80039¹
Prime factorization	640307	2 × 2 × 2 × 80039
Divisors count	2	8
Divisors	1, 640307	1, 2, 4, 8, 80039, 160078, 320156, 640312
Number of properties	5	0
Chen primes	20390th
Cousin primes (2nd member)	5634th
Isolated primes	40833rd
Primes	52104th
Safe primes	3019th
Roman numberals
Base 2	10011100010100110011₂	10011100010100111000₂
Base 3	1012112100002₃	1012112100021₃
Base 4	2130110303₄	2130110320₄
Base 5	130442212₅	130442222₅
Base 6	21420215₆	21420224₆
Base 7	5304533₇	5304541₇
Base 8	2342463₈	2342470₈
Base 9	1175302₉	1175307₉
Base 10	640307₁₀	640312₁₀
Base 11	3a8088₁₁	3a8092₁₁
Base 12	26a66b₁₂	26a674₁₂
Base 13	1955a5₁₃	1955aa₁₃
Base 14	1294c3₁₄	1294c8₁₄
Base 15	c9ac2₁₅	c9ac7₁₅
Base 16	9c533₁₆	9c538₁₆