Compare 640163 vs 640168

Property	640163	640168
Type	prime	composite number
Unique factors	1	2
Total factors	1	4
Prime factorization	640163¹	2³ × 80021¹
Prime factorization	640163	2 × 2 × 2 × 80021
Divisors count	2	8
Divisors	1, 640163	1, 2, 4, 8, 80021, 160042, 320084, 640168
Number of properties	4	0
Chen primes	20385th
Isolated primes	40826th
Primes	52091st
Safe primes	3018th
Roman numberals
Base 2	10011100010010100011₂	10011100010010101000₂
Base 3	1012112010202₃	1012112010221₃
Base 4	2130102203₄	2130102220₄
Base 5	130441123₅	130441133₅
Base 6	21415415₆	21415424₆
Base 7	5304236₇	5304244₇
Base 8	2342243₈	2342250₈
Base 9	1175122₉	1175127₉
Base 10	640163₁₀	640168₁₀
Base 11	3a7a67₁₁	3a7a71₁₁
Base 12	26a56b₁₂	26a574₁₂
Base 13	1954c4₁₃	1954c9₁₃
Base 14	12941d₁₄	129424₁₄
Base 15	c9a28₁₅	c9a2d₁₅
Base 16	9c4a3₁₆	9c4a8₁₆