λ
Ratio Atlas

15,980,584

23 × 23 × 86851
Deficient Even Composite

15,980,584 factors as 2^3 × 23 × 86851. Its 16 positive divisors give a proper-divisor sum of 15,286,136, so this integer is deficient. The Collatz stopping time is 187 steps.

Prime Factor Structure

Factorization String 2^3 × 23 × 86851
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 31,266,720
Proper Divisor Sum 15,286,136
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #15980579 ← → #15980603

Radix Representation

Decimal 15980584
Binary 111100111101100000101000 (24 bits)
Octal 0o74754050
Hexadecimal 0xF3D828

Divisor Catalog (16)

Collatz Trajectory (187 steps to reach 1)

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

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