2² × 5 × 17 × 67

Prime Factor Structure

Factorization String 2^2 × 5 × 17 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 51,408

Proper Divisor Sum 28,628

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #22777 ← → #22783

1 2 4 5 10 17 20 34 67 68 85 134 170 268 335 340 670 1,139 1,340 2,278 4,556 5,695 11,390 22,780

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

22,780 11,390 5,695 17,086 8,543 25,630 12,815 38,446 19,223 57,670 28,835 86,506 43,253 129,760 64,880 32,440 16,220 8,110 4,055 12,166 6,083 18,250 9,125 27,376 13,688 6,844 3,422 1,711 5,134 2,567 7,702 3,851 11,554 5,777 17,332 8,666 4,333 13,000 6,500 3,250 1,625 4,876 2,438 1,219 3,658 1,829 5,488 2,744 1,372 686 343 1,030 515 1,546 773 2,320 1,160 580 290 145

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