3² × 29 × 83

Prime Factor Structure

Factorization String 3^2 × 29 × 83

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 32,760

Proper Divisor Sum 11,097

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #21661 ← → #21673

1 3 9 29 83 87 249 261 747 2,407 7,221 21,663

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

21,663 64,990 32,495 97,486 48,743 146,230 73,115 219,346 109,673 329,020 164,510 82,255 246,766 123,383 370,150 185,075 555,226 277,613 832,840 416,420 208,210 104,105 312,316 156,158 78,079 234,238 117,119 351,358 175,679 527,038 263,519 790,558 395,279 1,185,838 592,919 1,778,758 889,379 2,668,138 1,334,069 4,002,208 2,001,104 1,000,552 500,276 250,138 125,069 375,208 187,604 93,802 46,901 140,704 70,352 35,176 17,588 8,794 4,397 13,192 6,596 3,298 1,649 4,948

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