λ
Harmonic Matrix

2,989,665

32 × 5 × 7 × 9491
Deficient Odd Composite

2,989,665 has digital root 9. The neighboring primes are 2989633 and 2989673; its proper-divisor sum differs from the starting integer by -56,322.

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Prime Factor Structure

Factorization String 3^2 × 5 × 7 × 9491
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 5,923,008
Proper Divisor Sum 2,933,343
Digit Sum / Digital Root 45 (Root: 9)
Adjacent Primes #2989633 ← → #2989673

Radix Representation

Decimal 2989665
Binary 1011011001111001100001 (22 bits)
Octal 0o13317141
Hexadecimal 0x2D9E61

Divisor Catalog (5 of 24)

1 3 5 7 9

Collatz Trajectory (213 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.

2,989,665 8,968,996 4,484,498 2,242,249 6,726,748

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