λ
Sequence Observatory

9,269,561

7 × 1324223
Deficient Odd Composite

Starting at 9,269,561, the Collatz iteration reaches 1 after 163 steps. The first transition is 27808684; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 1324223
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 10,593,792
Proper Divisor Sum 1,324,231
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #9269543 ← → #9269563

Radix Representation

Decimal 9269561
Binary 100011010111000100111001 (24 bits)
Octal 0o43270471
Hexadecimal 0x8D7139

Divisor Catalog (4)

1 7 1,324,223 9,269,561

Collatz Trajectory (163 steps to reach 1)

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

9,269,561 27,808,684 13,904,342 6,952,171 20,856,514 10,428,257 31,284,772 15,642,386 7,821,193 23,463,580 11,731,790 5,865,895 17,597,686 8,798,843 26,396,530 13,198,265 39,594,796 19,797,398 9,898,699 29,696,098 14,848,049 44,544,148 22,272,074 11,136,037 33,408,112 16,704,056 8,352,028 4,176,014 2,088,007 6,264,022 3,132,011 9,396,034 4,698,017 14,094,052 7,047,026 3,523,513 10,570,540 5,285,270 2,642,635 7,927,906 3,963,953 11,891,860 5,945,930 2,972,965 8,918,896 4,459,448 2,229,724 1,114,862 557,431 1,672,294 836,147 2,508,442 1,254,221 3,762,664 1,881,332 940,666 470,333 1,411,000 705,500 352,750

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