Compare 640139 vs 640148

Property	640139	640148
Type	prime	composite number
Unique factors	1	3
Total factors	1	4
Prime factorization	640139¹	2² × 19¹ × 8423¹
Prime factorization	640139	2 × 2 × 19 × 8423
Divisors count	2	12
Divisors	1, 640139	1, 2, 4, 19, 38, 76, 8423, 16846, 33692, 160037, 320074, 640148
Number of properties	4	0
Additive primes	20356th
Chen primes	20383rd
Isolated primes	40825th
Primes	52088th
Roman numberals
Base 2	10011100010010001011₂	10011100010010010100₂
Base 3	1012112002212₃	1012112010012₃
Base 4	2130102023₄	2130102110₄
Base 5	130441024₅	130441043₅
Base 6	21415335₆	21415352₆
Base 7	5304203₇	5304215₇
Base 8	2342213₈	2342224₈
Base 9	1175085₉	1175105₉
Base 10	640139₁₀	640148₁₀
Base 11	3a7a45₁₁	3a7a53₁₁
Base 12	26a54b₁₂	26a558₁₂
Base 13	1954a6₁₃	1954b2₁₃
Base 14	129403₁₄	12940c₁₄
Base 15	c9a0e₁₅	c9a18₁₅
Base 16	9c48b₁₆	9c494₁₆