Integer Profile

1,991,164

2^2 × 7^2 × 10159

Prime factors, divisor sums, positional representations and sequence properties for 1,991,164. The prime factorization is 2^2 × 7^2 × 10159.

Number of positive divisors: 18. Showing the recorded part of the sequence: 184.

AbundantEvenComposite

Prime factorization

Factorization: 2^2 × 7^2 × 10159
Distinct prime factors: 3
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 18
Divisor sum: 4,053,840
Proper-divisor sum: 2,062,676
Digit sum: 31
Digital root: 4

Number bases

Decimal: 1991164
Binary: 111100110000111111100 (21 bits)
Octal: 0o7460774
Hexadecimal: 0x1E61FC

Divisor catalog (18)

12471428499819610,15920,31840,63671,113142,226284,452497,791995,5821,991,164

Showing 18 of 18.

Collatz trajectory (184 steps)

Even: n → n/2; Odd: n → 3n + 1

1,991,164995,582497,7911,493,374746,6872,240,0621,120,0313,360,0941,680,0475,040,1422,520,0717,560,2143,780,10711,340,3225,670,16117,010,4848,505,2424,252,62112,757,8646,378,9323,189,4661,594,7334,784,2002,392,1001,196,050598,0251,794,076897,038448,5191,345,558672,7792,018,3381,009,1693,027,5081,513,754756,8772,270,6321,135,316567,658283,829851,488425,744212,872106,43653,21826,60979,82839,91419,95759,87229,93614,9687,4843,7421,8715,6142,8078,4224,21112,634

Showing 60 of 60.