λ
Sigma Notebook

8,726,909

19 × 421 × 1091
Deficient Odd Composite

8,726,909 is odd and not a perfect square. Its factorization is 19 × 421 × 1091 and its 8 divisors sum to 9,216,480.

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Prime Factor Structure

Factorization String 19 × 421 × 1091
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 9,216,480
Proper Divisor Sum 489,571
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #8726873 ← → #8726917

Radix Representation

Decimal 8726909
Binary 100001010010100101111101 (24 bits)
Octal 0o41224575
Hexadecimal 0x85297D

Divisor Catalog (5 of 8)

1 19 421 1,091 7,999

Collatz Trajectory (287 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

8,726,909 26,180,728 13,090,364 6,545,182 3,272,591

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