2⁴ × 7 × 11 × 97 × 179

Prime Factor Structure

Factorization String 2^4 × 7 × 11 × 97 × 179

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 80

Divisor Sum (σ) 52,496,640

Proper Divisor Sum 31,105,424

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #21391213 ← → #21391259

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

21,391,216 10,695,608 5,347,804 2,673,902 1,336,951 4,010,854 2,005,427 6,016,282 3,008,141 9,024,424 4,512,212 2,256,106 1,128,053 3,384,160 1,692,080 846,040 423,020 211,510 105,755 317,266 158,633 475,900 237,950 118,975 356,926 178,463 535,390 267,695 803,086 401,543 1,204,630 602,315 1,806,946 903,473 2,710,420 1,355,210 677,605 2,032,816 1,016,408 508,204 254,102 127,051 381,154 190,577 571,732 285,866 142,933 428,800 214,400 107,200 53,600 26,800 13,400 6,700 3,350 1,675 5,026 2,513 7,540 3,770

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