λ
Ratio Atlas

309,879

33 × 23 × 499
Deficient Odd Composite

309,879 factors as 3^3 × 23 × 499. Its 16 positive divisors give a proper-divisor sum of 170,121, so this integer is deficient. The Collatz stopping time is 65 steps.

Prime Factor Structure

Factorization String 3^3 × 23 × 499
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 480,000
Proper Divisor Sum 170,121
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #309877 ← → #309899

Radix Representation

Decimal 309879
Binary 1001011101001110111 (19 bits)
Octal 0o1135167
Hexadecimal 0x4BA77

Divisor Catalog (16)

Collatz Trajectory (65 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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