2 × 5 × 53 × 1297

Prime Factor Structure

Factorization String 2 × 5 × 53 × 1297

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,261,656

Proper Divisor Sum 574,246

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #687403 ← → #687413

1 2 5 10 53 106 265 530 1,297 2,594 6,485 12,970 68,741 137,482 343,705 687,410

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

687,410 343,705 1,031,116 515,558 257,779 773,338 386,669 1,160,008 580,004 290,002 145,001 435,004 217,502 108,751 326,254 163,127 489,382 244,691 734,074 367,037 1,101,112 550,556 275,278 137,639 412,918 206,459 619,378 309,689 929,068 464,534 232,267 696,802 348,401 1,045,204 522,602 261,301 783,904 391,952 195,976 97,988 48,994 24,497 73,492 36,746 18,373 55,120 27,560 13,780 6,890 3,445 10,336 5,168 2,584 1,292 646 323 970 485 1,456 728

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