3 × 7 × 83 × 223

Prime Factor Structure

Factorization String 3 × 7 × 83 × 223

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 602,112

Proper Divisor Sum 213,423

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #388673 ← → #388691

1 3 7 21 83 223 249 581 669 1,561 1,743 4,683 18,509 55,527 129,563 388,689

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

388,689 1,166,068 583,034 291,517 874,552 437,276 218,638 109,319 327,958 163,979 491,938 245,969 737,908 368,954 184,477 553,432 276,716 138,358 69,179 207,538 103,769 311,308 155,654 77,827 233,482 116,741 350,224 175,112 87,556 43,778 21,889 65,668 32,834 16,417 49,252 24,626 12,313 36,940 18,470 9,235 27,706 13,853 41,560 20,780 10,390 5,195 15,586 7,793 23,380 11,690 5,845 17,536 8,768 4,384 2,192 1,096 548 274 137 412

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