2 × 5³ × 13²

Prime Factor Structure

Factorization String 2 × 5^3 × 13^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 85,644

Proper Divisor Sum 43,394

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #42239 ← → #42257

1 2 5 10 13 25 26 50 65 125 130 169 250 325 338 650 845 1,625 1,690 3,250 4,225 8,450 21,125 42,250

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

42,250 21,125 63,376 31,688 15,844 7,922 3,961 11,884 5,942 2,971 8,914 4,457 13,372 6,686 3,343 10,030 5,015 15,046 7,523 22,570 11,285 33,856 16,928 8,464 4,232 2,116 1,058 529 1,588 794 397 1,192 596 298 149 448 224 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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