3 × 7 × 21503

Prime Factor Structure

Factorization String 3 × 7 × 21503

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 688,128

Proper Divisor Sum 236,565

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #451553 ← → #451579

1 3 7 21 21,503 64,509 150,521 451,563

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

451,563 1,354,690 677,345 2,032,036 1,016,018 508,009 1,524,028 762,014 381,007 1,143,022 571,511 1,714,534 857,267 2,571,802 1,285,901 3,857,704 1,928,852 964,426 482,213 1,446,640 723,320 361,660 180,830 90,415 271,246 135,623 406,870 203,435 610,306 305,153 915,460 457,730 228,865 686,596 343,298 171,649 514,948 257,474 128,737 386,212 193,106 96,553 289,660 144,830 72,415 217,246 108,623 325,870 162,935 488,806 244,403 733,210 366,605 1,099,816 549,908 274,954 137,477 412,432 206,216 103,108

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