2³ × 5³ × 13 × 31

Prime Factor Structure

Factorization String 2^3 × 5^3 × 13 × 31

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 1,048,320

Proper Divisor Sum 645,320

Digit Sum / Digital Root 7 (Root: 7)

Adjacent Primes #402991 ← → #403001

1 2 4 5 8 10 13 20 25 26 31 40 50 52 62 65 100 104 124 125 130 155 200 248 250 260 310 325 403 500 520 620 650 775 806 1,000 1,240 1,300 1,550 1,612 1,625 2,015 2,600 3,100 3,224 3,250 3,875 4,030 6,200 6,500 7,750 8,060 10,075 13,000 15,500 16,120 20,150 31,000 40,300 50,375

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

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