λ
Integer Codex

1,091,447

7 × 155921
Deficient Odd Composite

For 1,091,447, the 4 positive divisors have a total of 1,247,376. Removing 1,091,447 leaves 155,929, which gives the deficient classification.

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Prime Factor Structure

Factorization String 7 × 155921
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,247,376
Proper Divisor Sum 155,929
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #1091443 ← → #1091459

Radix Representation

Decimal 1091447
Binary 100001010011101110111 (21 bits)
Octal 0o4123567
Hexadecimal 0x10A777

Divisor Catalog (4)

Collatz Trajectory (134 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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