λ
Match Zalai

818,457

3 × 149 × 1831
Deficient Odd Composite

818,457 factors as 3 × 149 × 1831. Its 8 positive divisors give a proper-divisor sum of 280,743, so this integer is deficient. The Collatz stopping time is 206 steps.

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Prime Factor Structure

Factorization String 3 × 149 × 1831
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 1,099,200
Proper Divisor Sum 280,743
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #818453 ← → #818473

Radix Representation

Decimal 818457
Binary 11000111110100011001 (20 bits)
Octal 0o3076431
Hexadecimal 0xC7D19

Divisor Catalog (5 of 8)

1 3 149 447 1,831

Collatz Trajectory (206 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.

818,457 2,455,372 1,227,686 613,843 1,841,530

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