13 × 17 × 23 × 67

Prime Factor Structure

Factorization String 13 × 17 × 23 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 411,264

Proper Divisor Sum 70,703

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #340559 ← → #340573

1 13 17 23 67 221 299 391 871 1,139 1,541 5,083 14,807 20,033 26,197 340,561

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

340,561 1,021,684 510,842 255,421 766,264 383,132 191,566 95,783 287,350 143,675 431,026 215,513 646,540 323,270 161,635 484,906 242,453 727,360 363,680 181,840 90,920 45,460 22,730 11,365 34,096 17,048 8,524 4,262 2,131 6,394 3,197 9,592 4,796 2,398 1,199 3,598 1,799 5,398 2,699 8,098 4,049 12,148 6,074 3,037 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641 1,924 962 481 1,444 722 361

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