Integer Profile

645,009

3 × 67 × 3209

Prime factors, divisor sums, positional representations and sequence properties for 645,009. The prime factorization is 3 × 67 × 3209.

Number of positive divisors: 8. Showing the recorded part of the sequence: 128.

DeficientOddComposite

Number bases

Decimal: 645009
Binary: 10011101011110010001 (20 bits)
Octal: 0o2353621
Hexadecimal: 0x9D791

Divisor catalog (8)

13672013,2099,627215,003645,009

Showing 8 of 8.

Collatz trajectory (128 steps)

Even: n → n/2; Odd: n → 3n + 1

645,0091,935,028967,514483,7571,451,272725,636362,818181,409544,228272,114136,057408,172204,086102,043306,130153,065459,196229,598114,799344,398172,199516,598258,299774,898387,4491,162,348581,174290,587871,762435,8811,307,644653,822326,911980,734490,3671,471,102735,5512,206,6541,103,3273,309,9821,654,9914,964,9742,482,4877,447,4623,723,73111,171,1945,585,59716,756,7928,378,3964,189,1982,094,5996,283,7983,141,8999,425,6984,712,84914,138,5487,069,2743,534,63710,603,9125,301,956

Showing 60 of 60.

Prime factorization

Factorization: 3 × 67 × 3209
Distinct prime factors: 3
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 8
Divisor sum: 873,120
Proper-divisor sum: 228,111
Digit sum: 24
Digital root: 6