Compare 640127 vs 640128

Property	640127	640128
Type	prime	composite number
Unique factors	1	3
Total factors	1	9
Prime factorization	640127¹	2⁷ × 3¹ × 1667¹
Prime factorization	640127	2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 1667
Divisors count	2	32
Divisors	1, 640127	1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 1667, 3334, 5001, 6668, 10002, 13336, 20004, 26672, 40008, 53344, 80016, 106688, 160032, 213376, 320064, 640128
Number of properties	4	0
Isolated primes	40824th
Primes	52087th
Safe primes	3017th
Sexy primes (2nd member)	11286th
Roman numberals
Base 2	10011100010001111111₂	10011100010010000000₂
Base 3	1012112002102₃	1012112002110₃
Base 4	2130101333₄	2130102000₄
Base 5	130441002₅	130441003₅
Base 6	21415315₆	21415320₆
Base 7	5304155₇	5304156₇
Base 8	2342177₈	2342200₈
Base 9	1175072₉	1175073₉
Base 10	640127₁₀	640128₁₀
Base 11	3a7a34₁₁	3a7a35₁₁
Base 12	26a53b₁₂	26a540₁₂
Base 13	195497₁₃	195498₁₃
Base 14	1293d5₁₄	1293d6₁₄
Base 15	c9a02₁₅	c9a03₁₅
Base 16	9c47f₁₆	9c480₁₆