5² × 809

Prime Factor Structure

Factorization String 5^2 × 809

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 25,110

Proper Divisor Sum 4,885

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #20219 ← → #20231

1 5 25 809 4,045 20,225

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

20,225 60,676 30,338 15,169 45,508 22,754 11,377 34,132 17,066 8,533 25,600 12,800 6,400 3,200 1,600 800 400 200 100 50 25 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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