3² × 7 × 17 × 199

Prime Factor Structure

Factorization String 3^2 × 7 × 17 × 199

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 374,400

Proper Divisor Sum 161,271

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #213119 ← → #213131

1 3 7 9 17 21 51 63 119 153 199 357 597 1,071 1,393 1,791 3,383 4,179 10,149 12,537 23,681 30,447 71,043 213,129

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

213,129 639,388 319,694 159,847 479,542 239,771 719,314 359,657 1,078,972 539,486 269,743 809,230 404,615 1,213,846 606,923 1,820,770 910,385 2,731,156 1,365,578 682,789 2,048,368 1,024,184 512,092 256,046 128,023 384,070 192,035 576,106 288,053 864,160 432,080 216,040 108,020 54,010 27,005 81,016 40,508 20,254 10,127 30,382 15,191 45,574 22,787 68,362 34,181 102,544 51,272 25,636 12,818 6,409 19,228 9,614 4,807 14,422 7,211 21,634 10,817 32,452 16,226 8,113

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