λ
Sigma Notebook

2,206,105

5 × 11 × 40111
Deficient Odd Composite

2,206,105 is odd and not a perfect square. Its factorization is 5 × 11 × 40111 and its 8 divisors sum to 2,888,064.

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Prime Factor Structure

Factorization String 5 × 11 × 40111
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,888,064
Proper Divisor Sum 681,959
Digit Sum / Digital Root 16 (Root: 7)
Adjacent Primes #2206103 ← → #2206121

Radix Representation

Decimal 2206105
Binary 1000011010100110011001 (22 bits)
Octal 0o10324631
Hexadecimal 0x21A999

Divisor Catalog (5 of 8)

Collatz Trajectory (86 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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