428,589

3² × 7 × 6803

Prime Factor Structure

Factorization String 3^2 × 7 × 6803

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 707,616

Proper Divisor Sum 279,027

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #428579 ← → #428629

1 3 7 9 21 63 6,803 20,409 47,621 61,227 142,863 428,589

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

428,589 1,285,768 642,884 321,442 160,721 482,164 241,082 120,541 361,624 180,812 90,406 45,203 135,610 67,805 203,416 101,708 50,854 25,427 76,282 38,141 114,424 57,212 28,606 14,303 42,910 21,455 64,366 32,183 96,550 48,275 144,826 72,413 217,240 108,620 54,310 27,155 81,466 40,733 122,200 61,100 30,550 15,275 45,826 22,913 68,740 34,370 17,185 51,556 25,778 12,889 38,668 19,334 9,667 29,002 14,501 43,504 21,752 10,876 5,438 2,719

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