λ
Sigma Notebook

2,220,826

2 × 1110413
Deficient Even Composite

2,220,826 is even and not a perfect square. Its factorization is 2 × 1110413 and its 4 divisors sum to 3,331,242.

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Prime Factor Structure

Factorization String 2 × 1110413
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 3,331,242
Proper Divisor Sum 1,110,416
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #2220787 ← → #2220839

Radix Representation

Decimal 2220826
Binary 1000011110001100011010 (22 bits)
Octal 0o10361432
Hexadecimal 0x21E31A

Divisor Catalog (4)

Collatz Trajectory (166 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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