7² × 53 × 643

Prime Factor Structure

Factorization String 7^2 × 53 × 643

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,982,232

Proper Divisor Sum 312,361

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #1669861 ← → #1669873

1 7 49 53 371 643 2,597 4,501 31,507 34,079 238,553 1,669,871

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

1,669,871 5,009,614 2,504,807 7,514,422 3,757,211 11,271,634 5,635,817 16,907,452 8,453,726 4,226,863 12,680,590 6,340,295 19,020,886 9,510,443 28,531,330 14,265,665 42,796,996 21,398,498 10,699,249 32,097,748 16,048,874 8,024,437 24,073,312 12,036,656 6,018,328 3,009,164 1,504,582 752,291 2,256,874 1,128,437 3,385,312 1,692,656 846,328 423,164 211,582 105,791 317,374 158,687 476,062 238,031 714,094 357,047 1,071,142 535,571 1,606,714 803,357 2,410,072 1,205,036 602,518 301,259 903,778 451,889 1,355,668 677,834 338,917 1,016,752 508,376 254,188 127,094 63,547

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