11 × 41 × 89 × 521

Prime Factor Structure

Factorization String 11 × 41 × 89 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 23,677,920

Proper Divisor Sum 2,765,501

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #20912417 ← → #20912453

1 11 41 89 451 521 979 3,649 5,731 21,361 40,139 46,369 234,971 510,059 1,901,129 20,912,419

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

20,912,419 62,737,258 31,368,629 94,105,888 47,052,944 23,526,472 11,763,236 5,881,618 2,940,809 8,822,428 4,411,214 2,205,607 6,616,822 3,308,411 9,925,234 4,962,617 14,887,852 7,443,926 3,721,963 11,165,890 5,582,945 16,748,836 8,374,418 4,187,209 12,561,628 6,280,814 3,140,407 9,421,222 4,710,611 14,131,834 7,065,917 21,197,752 10,598,876 5,299,438 2,649,719 7,949,158 3,974,579 11,923,738 5,961,869 17,885,608 8,942,804 4,471,402 2,235,701 6,707,104 3,353,552 1,676,776 838,388 419,194 209,597 628,792 314,396 157,198 78,599 235,798 117,899 353,698 176,849 530,548 265,274 132,637

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