3 × 13 × 71 × 149

Prime Factor Structure

Factorization String 3 × 13 × 71 × 149

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 604,800

Proper Divisor Sum 192,219

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #412571 ← → #412589

1 3 13 39 71 149 213 447 923 1,937 2,769 5,811 10,579 31,737 137,527 412,581

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

412,581 1,237,744 618,872 309,436 154,718 77,359 232,078 116,039 348,118 174,059 522,178 261,089 783,268 391,634 195,817 587,452 293,726 146,863 440,590 220,295 660,886 330,443 991,330 495,665 1,486,996 743,498 371,749 1,115,248 557,624 278,812 139,406 69,703 209,110 104,555 313,666 156,833 470,500 235,250 117,625 352,876 176,438 88,219 264,658 132,329 396,988 198,494 99,247 297,742 148,871 446,614 223,307 669,922 334,961 1,004,884 502,442 251,221 753,664 376,832 188,416 94,208

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