3² × 2351

Prime Factor Structure

Factorization String 3^2 × 2351

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 30,576

Proper Divisor Sum 9,417

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #21157 ← → #21163

1 3 9 2,351 7,053 21,159

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

21,159 63,478 31,739 95,218 47,609 142,828 71,414 35,707 107,122 53,561 160,684 80,342 40,171 120,514 60,257 180,772 90,386 45,193 135,580 67,790 33,895 101,686 50,843 152,530 76,265 228,796 114,398 57,199 171,598 85,799 257,398 128,699 386,098 193,049 579,148 289,574 144,787 434,362 217,181 651,544 325,772 162,886 81,443 244,330 122,165 366,496 183,248 91,624 45,812 22,906 11,453 34,360 17,180 8,590 4,295 12,886 6,443 19,330 9,665 28,996

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