13 × 53 × 421

Prime Factor Structure

Factorization String 13 × 53 × 421

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 319,032

Proper Divisor Sum 28,963

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #290057 ← → #290083

1 13 53 421 689 5,473 22,313 290,069

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

290,069 870,208 435,104 217,552 108,776 54,388 27,194 13,597 40,792 20,396 10,198 5,099 15,298 7,649 22,948 11,474 5,737 17,212 8,606 4,303 12,910 6,455 19,366 9,683 29,050 14,525 43,576 21,788 10,894 5,447 16,342 8,171 24,514 12,257 36,772 18,386 9,193 27,580 13,790 6,895 20,686 10,343 31,030 15,515 46,546 23,273 69,820 34,910 17,455 52,366 26,183 78,550 39,275 117,826 58,913 176,740 88,370 44,185 132,556 66,278

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