2⁴ × 5 × 13 × 251

Prime Factor Structure

Factorization String 2^4 × 5 × 13 × 251

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 656,208

Proper Divisor Sum 395,168

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #261031 ← → #261043

1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 251 260 502 520 1,004 1,040 1,255 2,008 2,510 3,263 4,016 5,020 6,526 10,040 13,052 16,315 20,080 26,104 32,630 52,208 65,260 130,520 261,040

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

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