λ
Ratio Atlas

309,786

2 × 3 × 51631
Abundant Even Composite

309,786 factors as 2 × 3 × 51631. Its 8 positive divisors give a proper-divisor sum of 309,798, so this integer is abundant. The Collatz stopping time is 78 steps.

Prime Factor Structure

Factorization String 2 × 3 × 51631
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 619,584
Proper Divisor Sum 309,798
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #309781 ← → #309797

Radix Representation

Decimal 309786
Binary 1001011101000011010 (19 bits)
Octal 0o1135032
Hexadecimal 0x4BA1A

Divisor Catalog (8)

Collatz Trajectory (78 steps to reach 1)

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

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