17 × 19 × 661

Prime Factor Structure

Factorization String 17 × 19 × 661

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 238,320

Proper Divisor Sum 24,817

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #213491 ← → #213523

1 17 19 323 661 11,237 12,559 213,503

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

213,503 640,510 320,255 960,766 480,383 1,441,150 720,575 2,161,726 1,080,863 3,242,590 1,621,295 4,863,886 2,431,943 7,295,830 3,647,915 10,943,746 5,471,873 16,415,620 8,207,810 4,103,905 12,311,716 6,155,858 3,077,929 9,233,788 4,616,894 2,308,447 6,925,342 3,462,671 10,388,014 5,194,007 15,582,022 7,791,011 23,373,034 11,686,517 35,059,552 17,529,776 8,764,888 4,382,444 2,191,222 1,095,611 3,286,834 1,643,417 4,930,252 2,465,126 1,232,563 3,697,690 1,848,845 5,546,536 2,773,268 1,386,634 693,317 2,079,952 1,039,976 519,988 259,994 129,997 389,992 194,996 97,498 48,749

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