Integer Profile

640,740

2^2 × 3 × 5 × 59 × 181

Prime factors, divisor sums, positional representations and sequence properties for 640,740. The prime factorization is 2^2 × 3 × 5 × 59 × 181.

Number of positive divisors: 48. Showing the recorded part of the sequence: 172.

AbundantEvenComposite

Collatz trajectory (172 steps)

Even: n → n/2; Odd: n → 3n + 1

640,740320,370160,185480,556240,278120,139360,418180,209540,628270,314135,157405,472202,736101,36850,68425,34212,67138,01419,00757,02228,51185,53442,767128,30264,151192,45496,227288,682144,341433,024216,512108,25654,12827,06413,5326,7663,38310,1505,07515,2267,61322,84011,4205,7102,8558,5664,28312,8506,42519,2769,6384,81914,4587,22921,68810,8445,4222,7118,1344,067

Showing 60 of 60.

Prime factorization

Factorization: 2^2 × 3 × 5 × 59 × 181
Distinct prime factors: 5
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 48
Divisor sum: 1,834,560
Proper-divisor sum: 1,193,820
Digit sum: 21
Digital root: 3

Number bases

Decimal: 640740
Binary: 10011100011011100100 (20 bits)
Octal: 0o2343344
Hexadecimal: 0x9C6E4

Divisor catalog (48)

123456101215203059601181771812362953543625435907087248859051,0861,1801,7701,8102,1722,7153,5403,6205,43010,67910,86021,35832,03742,71653,39564,074106,790128,148160,185213,580320,370640,740

Showing 48 of 48.