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Sigma Notebook

5,540,165

5 × 312 × 1153
Deficient Odd Composite

5,540,165 is odd and not a perfect square. Its factorization is 5 × 31^2 × 1153 and its 12 divisors sum to 6,875,532.

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Prime Factor Structure

Factorization String 5 × 31^2 × 1153
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 6,875,532
Proper Divisor Sum 1,335,367
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #5540141 ← → #5540173

Radix Representation

Decimal 5540165
Binary 10101001000100101000101 (23 bits)
Octal 0o25104505
Hexadecimal 0x548945

Divisor Catalog (5 of 12)

Collatz Trajectory (82 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.

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