2 × 3² × 47 × 257

Prime Factor Structure

Factorization String 2 × 3^2 × 47 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 482,976

Proper Divisor Sum 265,554

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #217421 ← → #217429

1 2 3 6 9 18 47 94 141 257 282 423 514 771 846 1,542 2,313 4,626 12,079 24,158 36,237 72,474 108,711 217,422

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

217,422 108,711 326,134 163,067 489,202 244,601 733,804 366,902 183,451 550,354 275,177 825,532 412,766 206,383 619,150 309,575 928,726 464,363 1,393,090 696,545 2,089,636 1,044,818 522,409 1,567,228 783,614 391,807 1,175,422 587,711 1,763,134 881,567 2,644,702 1,322,351 3,967,054 1,983,527 5,950,582 2,975,291 8,925,874 4,462,937 13,388,812 6,694,406 3,347,203 10,041,610 5,020,805 15,062,416 7,531,208 3,765,604 1,882,802 941,401 2,824,204 1,412,102 706,051 2,118,154 1,059,077 3,177,232 1,588,616 794,308 397,154 198,577 595,732 297,866

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