7 × 61 × 509

Prime Factor Structure

Factorization String 7 × 61 × 509

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 252,960

Proper Divisor Sum 35,617

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #217339 ← → #217351

1 7 61 427 509 3,563 31,049 217,343

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

217,343 652,030 326,015 978,046 489,023 1,467,070 733,535 2,200,606 1,100,303 3,300,910 1,650,455 4,951,366 2,475,683 7,427,050 3,713,525 11,140,576 5,570,288 2,785,144 1,392,572 696,286 348,143 1,044,430 522,215 1,566,646 783,323 2,349,970 1,174,985 3,524,956 1,762,478 881,239 2,643,718 1,321,859 3,965,578 1,982,789 5,948,368 2,974,184 1,487,092 743,546 371,773 1,115,320 557,660 278,830 139,415 418,246 209,123 627,370 313,685 941,056 470,528 235,264 117,632 58,816 29,408 14,704 7,352 3,676 1,838 919 2,758 1,379

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