2³ × 13² × 509

Prime Factor Structure

Factorization String 2^3 × 13^2 × 509

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,399,950

Proper Divisor Sum 711,782

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #688159 ← → #688187

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

688,168 344,084 172,042 86,021 258,064 129,032 64,516 32,258 16,129 48,388 24,194 12,097 36,292 18,146 9,073 27,220 13,610 6,805 20,416 10,208 5,104 2,552 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122

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