3² × 7 × 71 × 109

Prime Factor Structure

Factorization String 3^2 × 7 × 71 × 109

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 823,680

Proper Divisor Sum 336,123

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #487507 ← → #487561

1 3 7 9 21 63 71 109 213 327 497 639 763 981 1,491 2,289 4,473 6,867 7,739 23,217 54,173 69,651 162,519 487,557

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

487,557 1,462,672 731,336 365,668 182,834 91,417 274,252 137,126 68,563 205,690 102,845 308,536 154,268 77,134 38,567 115,702 57,851 173,554 86,777 260,332 130,166 65,083 195,250 97,625 292,876 146,438 73,219 219,658 109,829 329,488 164,744 82,372 41,186 20,593 61,780 30,890 15,445 46,336 23,168 11,584 5,792 2,896 1,448 724 362 181 544 272 136 68 34 17 52 26 13 40 20 10 5 16

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