λ
Match Zalai

1,658,825

52 × 7 × 9479
Deficient Odd Composite

1,658,825 factors as 5^2 × 7 × 9479. Its 12 positive divisors give a proper-divisor sum of 692,215, so this integer is deficient. The Collatz stopping time is 238 steps.

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Prime Factor Structure

Factorization String 5^2 × 7 × 9479
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 2,351,040
Proper Divisor Sum 692,215
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #1658807 ← → #1658827

Radix Representation

Decimal 1658825
Binary 110010100111111001001 (21 bits)
Octal 0o6247711
Hexadecimal 0x194FC9

Divisor Catalog (5 of 12)

1 5 7 25 35

Collatz Trajectory (238 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.

1,658,825 4,976,476 2,488,238 1,244,119 3,732,358

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