2 × 3 × 137 × 521

Prime Factor Structure

Factorization String 2 × 3 × 137 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 864,432

Proper Divisor Sum 436,170

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #428251 ← → #428273

1 2 3 6 137 274 411 521 822 1,042 1,563 3,126 71,377 142,754 214,131 428,262

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

428,262 214,131 642,394 321,197 963,592 481,796 240,898 120,449 361,348 180,674 90,337 271,012 135,506 67,753 203,260 101,630 50,815 152,446 76,223 228,670 114,335 343,006 171,503 514,510 257,255 771,766 385,883 1,157,650 578,825 1,736,476 868,238 434,119 1,302,358 651,179 1,953,538 976,769 2,930,308 1,465,154 732,577 2,197,732 1,098,866 549,433 1,648,300 824,150 412,075 1,236,226 618,113 1,854,340 927,170 463,585 1,390,756 695,378 347,689 1,043,068 521,534 260,767 782,302 391,151 1,173,454 586,727

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