Integer Profile

640,070

2 × 5 × 64007

Prime factors, divisor sums, positional representations and sequence properties for 640,070. The prime factorization is 2 × 5 × 64007.

Number of positive divisors: 8. Showing the recorded part of the sequence: 172.

DeficientEvenComposite

Arithmetic properties

Positive divisors: 8
Divisor sum: 1,152,144
Proper-divisor sum: 512,074
Digit sum: 17
Digital root: 8

Number bases

Decimal: 640070
Binary: 10011100010001000110 (20 bits)
Octal: 0o2342106
Hexadecimal: 0x9C446

Divisor catalog (8)

1251064,007128,014320,035640,070

Showing 8 of 8.

Collatz trajectory (172 steps)

Even: n → n/2; Odd: n → 3n + 1

640,070320,035960,106480,0531,440,160720,080360,040180,02090,01045,005135,01667,50833,75416,87750,63225,31612,6586,32918,9889,4944,74714,2427,12121,36410,6825,34116,0248,0124,0062,0036,0103,0059,0164,5082,2541,1273,3821,6915,0742,5377,6123,8061,9035,7102,8558,5664,28312,8506,42519,2769,6384,81914,4587,22921,68810,8445,4222,7118,1344,067

Showing 60 of 60.

Prime factorization

Factorization: 2 × 5 × 64007
Distinct prime factors: 3
Perfect square: No
Parity: Even