λ
Harmonic Matrix

1,659,769

709 × 2341
Deficient Odd Composite

1,659,769 has digital root 7. The neighboring primes are 1659737 and 1659787; its proper-divisor sum differs from the starting integer by -1,656,718.

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Prime Factor Structure

Factorization String 709 × 2341
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,662,820
Proper Divisor Sum 3,051
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #1659737 ← → #1659787

Radix Representation

Decimal 1659769
Binary 110010101001101111001 (21 bits)
Octal 0o6251571
Hexadecimal 0x195379

Divisor Catalog (4)

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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