λ
Sigma Notebook

9,028,142

2 × 4514071
Deficient Even Composite

9,028,142 is even and not a perfect square. Its factorization is 2 × 4514071 and its 4 divisors sum to 13,542,216.

Prime Factor Structure

Factorization String 2 × 4514071
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 13,542,216
Proper Divisor Sum 4,514,074
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #9028141 ← → #9028181

Radix Representation

Decimal 9028142
Binary 100010011100001000101110 (24 bits)
Octal 0o42341056
Hexadecimal 0x89C22E

Divisor Catalog (4)

1 2 4,514,071 9,028,142

Collatz Trajectory (225 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

9,028,142 4,514,071 13,542,214 6,771,107 20,313,322 10,156,661 30,469,984 15,234,992 7,617,496 3,808,748 1,904,374 952,187 2,856,562 1,428,281 4,284,844 2,142,422 1,071,211 3,213,634 1,606,817 4,820,452 2,410,226 1,205,113 3,615,340 1,807,670 903,835 2,711,506 1,355,753 4,067,260 2,033,630 1,016,815 3,050,446 1,525,223 4,575,670 2,287,835 6,863,506 3,431,753 10,295,260 5,147,630 2,573,815 7,721,446 3,860,723 11,582,170 5,791,085 17,373,256 8,686,628 4,343,314 2,171,657 6,514,972 3,257,486 1,628,743 4,886,230 2,443,115 7,329,346 3,664,673 10,994,020 5,497,010 2,748,505 8,245,516 4,122,758 2,061,379

More profiles

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