5 × 31 × 71 × 397

Prime Factor Structure

Factorization String 5 × 31 × 71 × 397

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,501,952

Proper Divisor Sum 1,132,967

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #4368971 ← → #4368989

1 5 31 71 155 355 397 1,985 2,201 11,005 12,307 28,187 61,535 140,935 873,797 4,368,985

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

4,368,985 13,106,956 6,553,478 3,276,739 9,830,218 4,915,109 14,745,328 7,372,664 3,686,332 1,843,166 921,583 2,764,750 1,382,375 4,147,126 2,073,563 6,220,690 3,110,345 9,331,036 4,665,518 2,332,759 6,998,278 3,499,139 10,497,418 5,248,709 15,746,128 7,873,064 3,936,532 1,968,266 984,133 2,952,400 1,476,200 738,100 369,050 184,525 553,576 276,788 138,394 69,197 207,592 103,796 51,898 25,949 77,848 38,924 19,462 9,731 29,194 14,597 43,792 21,896 10,948 5,474 2,737 8,212 4,106 2,053 6,160 3,080 1,540 770

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