3 × 7 × 19 × 23²

Prime Factor Structure

Factorization String 3 × 7 × 19 × 23^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 353,920

Proper Divisor Sum 142,849

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #211067 ← → #211073

1 3 7 19 21 23 57 69 133 161 399 437 483 529 1,311 1,587 3,059 3,703 9,177 10,051 11,109 30,153 70,357 211,071

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

211,071 633,214 316,607 949,822 474,911 1,424,734 712,367 2,137,102 1,068,551 3,205,654 1,602,827 4,808,482 2,404,241 7,212,724 3,606,362 1,803,181 5,409,544 2,704,772 1,352,386 676,193 2,028,580 1,014,290 507,145 1,521,436 760,718 380,359 1,141,078 570,539 1,711,618 855,809 2,567,428 1,283,714 641,857 1,925,572 962,786 481,393 1,444,180 722,090 361,045 1,083,136 541,568 270,784 135,392 67,696 33,848 16,924 8,462 4,231 12,694 6,347 19,042 9,521 28,564 14,282 7,141 21,424 10,712 5,356 2,678 1,339

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