3 × 11 × 19 × 653

Prime Factor Structure

Factorization String 3 × 11 × 19 × 653

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 627,840

Proper Divisor Sum 218,409

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #409429 ← → #409433

1 3 11 19 33 57 209 627 653 1,959 7,183 12,407 21,549 37,221 136,477 409,431

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

409,431 1,228,294 614,147 1,842,442 921,221 2,763,664 1,381,832 690,916 345,458 172,729 518,188 259,094 129,547 388,642 194,321 582,964 291,482 145,741 437,224 218,612 109,306 54,653 163,960 81,980 40,990 20,495 61,486 30,743 92,230 46,115 138,346 69,173 207,520 103,760 51,880 25,940 12,970 6,485 19,456 9,728 4,864 2,432 1,216 608 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13

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