3 × 7 × 163 × 211

Prime Factor Structure

Factorization String 3 × 7 × 163 × 211

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,112,576

Proper Divisor Sum 390,323

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #722243 ← → #722257

1 3 7 21 163 211 489 633 1,141 1,477 3,423 4,431 34,393 103,179 240,751 722,253

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

722,253 2,166,760 1,083,380 541,690 270,845 812,536 406,268 203,134 101,567 304,702 152,351 457,054 228,527 685,582 342,791 1,028,374 514,187 1,542,562 771,281 2,313,844 1,156,922 578,461 1,735,384 867,692 433,846 216,923 650,770 325,385 976,156 488,078 244,039 732,118 366,059 1,098,178 549,089 1,647,268 823,634 411,817 1,235,452 617,726 308,863 926,590 463,295 1,389,886 694,943 2,084,830 1,042,415 3,127,246 1,563,623 4,690,870 2,345,435 7,036,306 3,518,153 10,554,460 5,277,230 2,638,615 7,915,846 3,957,923 11,873,770 5,936,885

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