λ
Sigma Notebook

3,641,781

3 × 11 × 132 × 653
Deficient Odd Composite

3,641,781 is odd and not a perfect square. Its factorization is 3 × 11 × 13^2 × 653 and its 24 divisors sum to 5,744,736.

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Prime Factor Structure

Factorization String 3 × 11 × 13^2 × 653
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 5,744,736
Proper Divisor Sum 2,102,955
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #3641777 ← → #3641783

Radix Representation

Decimal 3641781
Binary 1101111001000110110101 (22 bits)
Octal 0o15710665
Hexadecimal 0x3791B5

Divisor Catalog (5 of 24)

1 3 11 13 33

Collatz Trajectory (115 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.

3,641,781 10,925,344 5,462,672 2,731,336 1,365,668

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