2⁴ × 3² × 7 × 21221

Prime Factor Structure

Factorization String 2^4 × 3^2 × 7 × 21221

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 60

Divisor Sum (σ) 68,419,728

Proper Divisor Sum 47,028,960

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #21390767 ← → #21390791

1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1,008 21,221 42,442 63,663 84,884 127,326 148,547 169,768 190,989 254,652 297,094 339,536 381,978 445,641 509,304 594,188 763,956 891,282 1,018,608 1,188,376 1,336,923 1,527,912 1,782,564 2,376,752 2,673,846 3,055,824 3,565,128 5,347,692 7,130,256 10,695,384 21,390,768

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

21,390,768 10,695,384 5,347,692 2,673,846 1,336,923 4,010,770 2,005,385 6,016,156 3,008,078 1,504,039 4,512,118 2,256,059 6,768,178 3,384,089 10,152,268 5,076,134 2,538,067 7,614,202 3,807,101 11,421,304 5,710,652 2,855,326 1,427,663 4,282,990 2,141,495 6,424,486 3,212,243 9,636,730 4,818,365 14,455,096 7,227,548 3,613,774 1,806,887 5,420,662 2,710,331 8,130,994 4,065,497 12,196,492 6,098,246 3,049,123 9,147,370 4,573,685 13,721,056 6,860,528 3,430,264 1,715,132 857,566 428,783 1,286,350 643,175 1,929,526 964,763 2,894,290 1,447,145 4,341,436 2,170,718 1,085,359 3,256,078 1,628,039 4,884,118

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