13 × 19 × 17989

Prime Factor Structure

Factorization String 13 × 19 × 17989

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 5,037,200

Proper Divisor Sum 593,917

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #4443259 ← → #4443289

1 13 19 247 17,989 233,857 341,791 4,443,283

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

4,443,283 13,329,850 6,664,925 19,994,776 9,997,388 4,998,694 2,499,347 7,498,042 3,749,021 11,247,064 5,623,532 2,811,766 1,405,883 4,217,650 2,108,825 6,326,476 3,163,238 1,581,619 4,744,858 2,372,429 7,117,288 3,558,644 1,779,322 889,661 2,668,984 1,334,492 667,246 333,623 1,000,870 500,435 1,501,306 750,653 2,251,960 1,125,980 562,990 281,495 844,486 422,243 1,266,730 633,365 1,900,096 950,048 475,024 237,512 118,756 59,378 29,689 89,068 44,534 22,267 66,802 33,401 100,204 50,102 25,051 75,154 37,577 112,732 56,366 28,183

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.