λ
Sigma Notebook

1,819,582

2 × 909791
Deficient Even Composite

1,819,582 is even and not a perfect square. Its factorization is 2 × 909791 and its 4 divisors sum to 2,729,376.

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Prime Factor Structure

Factorization String 2 × 909791
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,729,376
Proper Divisor Sum 909,794
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #1819577 ← → #1819583

Radix Representation

Decimal 1819582
Binary 110111100001110111110 (21 bits)
Octal 0o6741676
Hexadecimal 0x1BC3BE

Divisor Catalog (4)

Collatz Trajectory (295 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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