3 × 5 × 17 × 853

Prime Factor Structure

Factorization String 3 × 5 × 17 × 853

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 368,928

Proper Divisor Sum 151,413

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #217499 ← → #217517

1 3 5 15 17 51 85 255 853 2,559 4,265 12,795 14,501 43,503 72,505 217,515

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

217,515 652,546 326,273 978,820 489,410 244,705 734,116 367,058 183,529 550,588 275,294 137,647 412,942 206,471 619,414 309,707 929,122 464,561 1,393,684 696,842 348,421 1,045,264 522,632 261,316 130,658 65,329 195,988 97,994 48,997 146,992 73,496 36,748 18,374 9,187 27,562 13,781 41,344 20,672 10,336 5,168 2,584 1,292 646 323 970 485 1,456 728 364 182 91 274 137 412 206 103 310 155 466 233

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