Integer Profile

1,391,398

2 × 257 × 2707

Prime factors, divisor sums, positional representations and sequence properties for 1,391,398. The prime factorization is 2 × 257 × 2707.

Number of positive divisors: 8. Showing the recorded part of the sequence: 181.

DeficientEvenComposite

Divisor catalog (8)

122575142,7075,414695,6991,391,398

Showing 8 of 8.

Collatz trajectory (181 steps)

Even: n → n/2; Odd: n → 3n + 1

1,391,398695,6992,087,0981,043,5493,130,6481,565,324782,662391,3311,173,994586,9971,760,992880,496440,248220,124110,06255,031165,09482,547247,642123,821371,464185,73292,86646,433139,30069,65034,825104,47652,23826,11978,35839,179117,53858,769176,30888,15444,077132,23266,11633,05816,52949,58824,79412,39737,19218,5969,2984,64913,9486,9743,48710,4625,23115,6947,84723,54211,77135,31417,65752,972

Showing 60 of 60.

Prime factorization

Factorization: 2 × 257 × 2707
Distinct prime factors: 3
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 8
Divisor sum: 2,095,992
Proper-divisor sum: 704,594
Digit sum: 34
Digital root: 7

Number bases

Decimal: 1391398
Binary: 101010011101100100110 (21 bits)
Octal: 0o5235446
Hexadecimal: 0x153B26