3² × 13 × 17 × 109

Prime Factor Structure

Factorization String 3^2 × 13 × 17 × 109

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 360,360

Proper Divisor Sum 143,559

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #216791 ← → #216803

1 3 9 13 17 39 51 109 117 153 221 327 663 981 1,417 1,853 1,989 4,251 5,559 12,753 16,677 24,089 72,267 216,801

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

216,801 650,404 325,202 162,601 487,804 243,902 121,951 365,854 182,927 548,782 274,391 823,174 411,587 1,234,762 617,381 1,852,144 926,072 463,036 231,518 115,759 347,278 173,639 520,918 260,459 781,378 390,689 1,172,068 586,034 293,017 879,052 439,526 219,763 659,290 329,645 988,936 494,468 247,234 123,617 370,852 185,426 92,713 278,140 139,070 69,535 208,606 104,303 312,910 156,455 469,366 234,683 704,050 352,025 1,056,076 528,038 264,019 792,058 396,029 1,188,088 594,044 297,022

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