λ
Ratio Atlas

15,717

3 × 132 × 31
Deficient Odd Composite

Prime Factor Structure

Factorization String 3 × 13^2 × 31
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 23,424
Proper Divisor Sum 7,707
Digit Sum / Digital Root 21 (Root: 3)
Adjacent Primes #15683 ← → #15727

Radix Representation

Decimal 15717
Binary 11110101100101 (14 bits)
Octal 0o36545
Hexadecimal 0x3D65

Divisor Catalog (12)

Collatz Trajectory (102 steps to reach 1)

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

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