3 × 5 × 17 × 839

Prime Factor Structure

Factorization String 3 × 5 × 17 × 839

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 362,880

Proper Divisor Sum 148,935

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #213943 ← → #213947

1 3 5 15 17 51 85 255 839 2,517 4,195 12,585 14,263 42,789 71,315 213,945

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

213,945 641,836 320,918 160,459 481,378 240,689 722,068 361,034 180,517 541,552 270,776 135,388 67,694 33,847 101,542 50,771 152,314 76,157 228,472 114,236 57,118 28,559 85,678 42,839 128,518 64,259 192,778 96,389 289,168 144,584 72,292 36,146 18,073 54,220 27,110 13,555 40,666 20,333 61,000 30,500 15,250 7,625 22,876 11,438 5,719 17,158 8,579 25,738 12,869 38,608 19,304 9,652 4,826 2,413 7,240 3,620 1,810 905 2,716 1,358

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