Integer Profile

1,918,813

13 × 67 × 2203

Prime factors, divisor sums, positional representations and sequence properties for 1,918,813. The prime factorization is 13 × 67 × 2203.

Number of positive divisors: 8. Showing the recorded part of the sequence: 109.

DeficientOddComposite

Number bases

Decimal: 1918813
Binary: 111010100011101011101 (21 bits)
Octal: 0o7243535
Hexadecimal: 0x1D475D

Divisor catalog (8)

113678712,20328,639147,6011,918,813

Showing 8 of 8.

Collatz trajectory (109 steps)

Even: n → n/2; Odd: n → 3n + 1

1,918,8135,756,4402,878,2201,439,110719,5552,158,6661,079,3333,238,0001,619,000809,500404,750202,375607,126303,563910,690455,3451,366,036683,018341,5091,024,528512,264256,132128,06664,033192,10096,05048,025144,07672,03836,019108,05854,029162,08881,04440,52220,26160,78430,39215,1967,5983,79911,3985,69917,0988,54925,64812,8246,4123,2061,6034,8102,4057,2163,6081,8049024511,3546772,032

Showing 60 of 60.

Prime factorization

Factorization: 13 × 67 × 2203
Distinct prime factors: 3
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 8
Divisor sum: 2,098,208
Proper-divisor sum: 179,395
Digit sum: 31
Digital root: 4