821 × 4397

Prime Factor Structure

Factorization String 821 × 4397

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,615,156

Proper Divisor Sum 5,219

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #3609913 ← → #3609941

1 821 4,397 3,609,937

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

3,609,937 10,829,812 5,414,906 2,707,453 8,122,360 4,061,180 2,030,590 1,015,295 3,045,886 1,522,943 4,568,830 2,284,415 6,853,246 3,426,623 10,279,870 5,139,935 15,419,806 7,709,903 23,129,710 11,564,855 34,694,566 17,347,283 52,041,850 26,020,925 78,062,776 39,031,388 19,515,694 9,757,847 29,273,542 14,636,771 43,910,314 21,955,157 65,865,472 32,932,736 16,466,368 8,233,184 4,116,592 2,058,296 1,029,148 514,574 257,287 771,862 385,931 1,157,794 578,897 1,736,692 868,346 434,173 1,302,520 651,260 325,630 162,815 488,446 244,223 732,670 366,335 1,099,006 549,503 1,648,510 824,255

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