2 × 3 × 7 × 21911

Prime Factor Structure

Factorization String 2 × 3 × 7 × 21911

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,103,552

Proper Divisor Sum 1,183,290

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #920233 ← → #920263

1 2 3 6 7 14 21 42 21,911 43,822 65,733 131,466 153,377 306,754 460,131 920,262

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

920,262 460,131 1,380,394 690,197 2,070,592 1,035,296 517,648 258,824 129,412 64,706 32,353 97,060 48,530 24,265 72,796 36,398 18,199 54,598 27,299 81,898 40,949 122,848 61,424 30,712 15,356 7,678 3,839 11,518 5,759 17,278 8,639 25,918 12,959 38,878 19,439 58,318 29,159 87,478 43,739 131,218 65,609 196,828 98,414 49,207 147,622 73,811 221,434 110,717 332,152 166,076 83,038 41,519 124,558 62,279 186,838 93,419 280,258 140,129 420,388 210,194

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