2³ × 3 × 7 × 1289

Prime Factor Structure

Factorization String 2^3 × 3 × 7 × 1289

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 619,200

Proper Divisor Sum 402,648

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #216551 ← → #216553

1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1,289 2,578 3,867 5,156 7,734 9,023 10,312 15,468 18,046 27,069 30,936 36,092 54,138 72,184 108,276 216,552

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

216,552 108,276 54,138 27,069 81,208 40,604 20,302 10,151 30,454 15,227 45,682 22,841 68,524 34,262 17,131 51,394 25,697 77,092 38,546 19,273 57,820 28,910 14,455 43,366 21,683 65,050 32,525 97,576 48,788 24,394 12,197 36,592 18,296 9,148 4,574 2,287 6,862 3,431 10,294 5,147 15,442 7,721 23,164 11,582 5,791 17,374 8,687 26,062 13,031 39,094 19,547 58,642 29,321 87,964 43,982 21,991 65,974 32,987 98,962 49,481

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