2⁴ × 29 × 1381

Prime Factor Structure

Factorization String 2^4 × 29 × 1381

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 1,285,260

Proper Divisor Sum 644,476

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #640777 ← → #640793

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

640,784 320,392 160,196 80,098 40,049 120,148 60,074 30,037 90,112 45,056 22,528 11,264 5,632 2,816 1,408 704 352 176 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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