λ
Integer Codex

1,990,429

74 × 829
Deficient Odd Composite

For 1,990,429, the 10 positive divisors have a total of 2,324,830. Removing 1,990,429 leaves 334,401, which gives the deficient classification.

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Prime Factor Structure

Factorization String 7^4 × 829
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 10
Divisor Sum (σ) 2,324,830
Proper Divisor Sum 334,401
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #1990381 ← → #1990433

Radix Representation

Decimal 1990429
Binary 111100101111100011101 (21 bits)
Octal 0o7457435
Hexadecimal 0x1E5F1D

Divisor Catalog (5 of 10)

1 7 49 343 829

Collatz Trajectory (184 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.

1,990,429 5,971,288 2,985,644 1,492,822 746,411

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