11 × 13 × 1549

Prime Factor Structure

Factorization String 11 × 13 × 1549

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 260,400

Proper Divisor Sum 38,893

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #221497 ← → #221509

1 11 13 143 1,549 17,039 20,137 221,507

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

221,507 664,522 332,261 996,784 498,392 249,196 124,598 62,299 186,898 93,449 280,348 140,174 70,087 210,262 105,131 315,394 157,697 473,092 236,546 118,273 354,820 177,410 88,705 266,116 133,058 66,529 199,588 99,794 49,897 149,692 74,846 37,423 112,270 56,135 168,406 84,203 252,610 126,305 378,916 189,458 94,729 284,188 142,094 71,047 213,142 106,571 319,714 159,857 479,572 239,786 119,893 359,680 179,840 89,920 44,960 22,480 11,240 5,620 2,810 1,405

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