Integer Profile

6,438,640

2^4 × 5 × 13 × 41 × 151

Prime factors, divisor sums, positional representations and sequence properties for 6,438,640. The prime factorization is 2^4 × 5 × 13 × 41 × 151.

Number of positive divisors: 80. Showing the recorded part of the sequence: 121.

AbundantEvenComposite

Arithmetic properties

Positive divisors: 80
Divisor sum: 16,623,936
Proper-divisor sum: 10,185,296
Digit sum: 31
Digital root: 4

Number bases

Decimal: 6438640
Binary: 11000100011111011110000 (23 bits)
Octal: 0o30437360
Hexadecimal: 0x623EF0

Divisor catalog (80)

1245810131620264041526580821041301511642052082603023284105205336046567558201,0401,0661,2081,5101,6401,9632,1322,4162,6653,0203,2803,9264,2645,3306,0406,1917,8528,5289,81510,66012,08012,38215,70419,63021,32024,76430,95531,408

Showing 60 of 80.

Collatz trajectory (121 steps)

Even: n → n/2; Odd: n → 3n + 1

6,438,6403,219,3201,609,660804,830402,4151,207,246603,6231,810,870905,4352,716,3061,358,1534,074,4602,037,2301,018,6153,055,8461,527,9234,583,7702,291,8856,875,6563,437,8281,718,914859,4572,578,3721,289,186644,5931,933,780966,890483,4451,450,336725,168362,584181,29290,64645,323135,97067,985203,956101,97850,989152,96876,48438,24219,12157,36428,68214,34143,02421,51210,7565,3782,6898,0684,0342,0176,0523,0261,5134,5402,2701,135

Showing 60 of 60.

Prime factorization

Factorization: 2^4 × 5 × 13 × 41 × 151
Distinct prime factors: 5
Perfect square: No
Parity: Even