λ
Match Zalai

2,784,431

13 × 19 × 11273
Deficient Odd Composite

2,784,431 factors as 13 × 19 × 11273. Its 8 positive divisors give a proper-divisor sum of 372,289, so this integer is deficient. The Collatz stopping time is 187 steps.

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Prime Factor Structure

Factorization String 13 × 19 × 11273
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 3,156,720
Proper Divisor Sum 372,289
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #2784373 ← → #2784473

Radix Representation

Decimal 2784431
Binary 1010100111110010101111 (22 bits)
Octal 0o12476257
Hexadecimal 0x2A7CAF

Divisor Catalog (5 of 8)

1 13 19 247 11,273

Collatz Trajectory (187 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.

2,784,431 8,353,294 4,176,647 12,529,942 6,264,971

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