λ
Integer Codex

1,675,661

13 × 157 × 821
Deficient Odd Composite

For 1,675,661, the 8 positive divisors have a total of 1,818,264. Removing 1,675,661 leaves 142,603, which gives the deficient classification.

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Prime Factor Structure

Factorization String 13 × 157 × 821
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 1,818,264
Proper Divisor Sum 142,603
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #1675637 ← → #1675679

Radix Representation

Decimal 1675661
Binary 110011001000110001101 (21 bits)
Octal 0o6310615
Hexadecimal 0x19918D

Divisor Catalog (5 of 8)

Collatz Trajectory (145 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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