661 × 769

Prime Factor Structure

Factorization String 661 × 769

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 509,740

Proper Divisor Sum 1,431

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #508301 ← → #508327

1 661 769 508,309

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

508,309 1,524,928 762,464 381,232 190,616 95,308 47,654 23,827 71,482 35,741 107,224 53,612 26,806 13,403 40,210 20,105 60,316 30,158 15,079 45,238 22,619 67,858 33,929 101,788 50,894 25,447 76,342 38,171 114,514 57,257 171,772 85,886 42,943 128,830 64,415 193,246 96,623 289,870 144,935 434,806 217,403 652,210 326,105 978,316 489,158 244,579 733,738 366,869 1,100,608 550,304 275,152 137,576 68,788 34,394 17,197 51,592 25,796 12,898 6,449 19,348

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