Integer Profile

1,918,280

2^3 × 5 × 7 × 13 × 17 × 31

Prime factors, divisor sums, positional representations and sequence properties for 1,918,280. The prime factorization is 2^3 × 5 × 7 × 13 × 17 × 31.

Number of positive divisors: 128. Showing the recorded part of the sequence: 127.

AbundantEvenComposite

Divisor catalog (128)

124578101314172026283134354052566265687085911041191241301361401551701822172212382482602803103403644034344424554765205275956206807288068688849109521,054

Showing 60 of 128.

Collatz trajectory (127 steps)

Even: n → n/2; Odd: n → 3n + 1

1,918,280959,140479,570239,785719,356359,678179,839539,518269,759809,278404,6391,213,918606,9591,820,878910,4392,731,3181,365,6594,096,9782,048,4896,145,4683,072,7341,536,3674,609,1022,304,5516,913,6543,456,82710,370,4825,185,24115,555,7247,777,8623,888,93111,666,7945,833,39717,500,1928,750,0964,375,0482,187,5241,093,762546,8811,640,644820,322410,1611,230,484615,242307,621922,864461,432230,716115,35857,679173,03886,519259,558129,779389,338194,669584,008292,004146,00273,001

Showing 60 of 60.

Prime factorization

Factorization: 2^3 × 5 × 7 × 13 × 17 × 31
Distinct prime factors: 6
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 128
Divisor sum: 5,806,080
Proper-divisor sum: 3,887,800
Digit sum: 29
Digital root: 2

Number bases

Decimal: 1918280
Binary: 111010100010101001000 (21 bits)
Octal: 0o7242510
Hexadecimal: 0x1D4548