3 × 7 × 67 × 643

Prime Factor Structure

Factorization String 3 × 7 × 67 × 643

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,401,344

Proper Divisor Sum 496,643

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #904697 ← → #904721

1 3 7 21 67 201 469 643 1,407 1,929 4,501 13,503 43,081 129,243 301,567 904,701

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

904,701 2,714,104 1,357,052 678,526 339,263 1,017,790 508,895 1,526,686 763,343 2,290,030 1,145,015 3,435,046 1,717,523 5,152,570 2,576,285 7,728,856 3,864,428 1,932,214 966,107 2,898,322 1,449,161 4,347,484 2,173,742 1,086,871 3,260,614 1,630,307 4,890,922 2,445,461 7,336,384 3,668,192 1,834,096 917,048 458,524 229,262 114,631 343,894 171,947 515,842 257,921 773,764 386,882 193,441 580,324 290,162 145,081 435,244 217,622 108,811 326,434 163,217 489,652 244,826 122,413 367,240 183,620 91,810 45,905 137,716 68,858 34,429

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