Compare 640163 vs 640172

Property	640163	640172
Type	prime	composite number
Unique factors	1	3
Total factors	1	5
Prime factorization	640163¹	2² × 13² × 947¹
Prime factorization	640163	2 × 2 × 13 × 13 × 947
Divisors count	2	18
Divisors	1, 640163	1, 2, 4, 13, 26, 52, 169, 338, 676, 947, 1894, 3788, 12311, 24622, 49244, 160043, 320086, 640172
Number of properties	4	0
Chen primes	20385th
Isolated primes	40826th
Primes	52091st
Safe primes	3018th
Roman numberals
Base 2	10011100010010100011₂	10011100010010101100₂
Base 3	1012112010202₃	1012112011002₃
Base 4	2130102203₄	2130102230₄
Base 5	130441123₅	130441142₅
Base 6	21415415₆	21415432₆
Base 7	5304236₇	5304251₇
Base 8	2342243₈	2342254₈
Base 9	1175122₉	1175132₉
Base 10	640163₁₀	640172₁₀
Base 11	3a7a67₁₁	3a7a75₁₁
Base 12	26a56b₁₂	26a578₁₂
Base 13	1954c4₁₃	195500₁₃
Base 14	12941d₁₄	129428₁₄
Base 15	c9a28₁₅	c9a32₁₅
Base 16	9c4a3₁₆	9c4ac₁₆