11 × 47 × 421

Prime Factor Structure

Factorization String 11 × 47 × 421

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 243,072

Proper Divisor Sum 25,415

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #217643 ← → #217661

1 11 47 421 517 4,631 19,787 217,657

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

217,657 652,972 326,486 163,243 489,730 244,865 734,596 367,298 183,649 550,948 275,474 137,737 413,212 206,606 103,303 309,910 154,955 464,866 232,433 697,300 348,650 174,325 522,976 261,488 130,744 65,372 32,686 16,343 49,030 24,515 73,546 36,773 110,320 55,160 27,580 13,790 6,895 20,686 10,343 31,030 15,515 46,546 23,273 69,820 34,910 17,455 52,366 26,183 78,550 39,275 117,826 58,913 176,740 88,370 44,185 132,556 66,278 33,139 99,418 49,709

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