2² × 3² × 19 × 23 × 137

Prime Factor Structure

Factorization String 2^2 × 3^2 × 19 × 23 × 137

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 6,027,840

Proper Divisor Sum 3,872,556

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #2155273 ← → #2155291

1 2 3 4 6 9 12 18 19 23 36 38 46 57 69 76 92 114 137 138 171 207 228 274 276 342 411 414 437 548 684 822 828 874 1,233 1,311 1,644 1,748 2,466 2,603 2,622 3,151 3,933 4,932 5,206 5,244 6,302 7,809 7,866 9,453 10,412 12,604 15,618 15,732 18,906 23,427 28,359 31,236 37,812 46,854

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

2,155,284 1,077,642 538,821 1,616,464 808,232 404,116 202,058 101,029 303,088 151,544 75,772 37,886 18,943 56,830 28,415 85,246 42,623 127,870 63,935 191,806 95,903 287,710 143,855 431,566 215,783 647,350 323,675 971,026 485,513 1,456,540 728,270 364,135 1,092,406 546,203 1,638,610 819,305 2,457,916 1,228,958 614,479 1,843,438 921,719 2,765,158 1,382,579 4,147,738 2,073,869 6,221,608 3,110,804 1,555,402 777,701 2,333,104 1,166,552 583,276 291,638 145,819 437,458 218,729 656,188 328,094 164,047 492,142

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