11 × 13 × 37 × 311

Prime Factor Structure

Factorization String 11 × 13 × 37 × 311

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,991,808

Proper Divisor Sum 346,307

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #1645499 ← → #1645529

1 11 13 37 143 311 407 481 3,421 4,043 5,291 11,507 44,473 126,577 149,591 1,645,501

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

1,645,501 4,936,504 2,468,252 1,234,126 617,063 1,851,190 925,595 2,776,786 1,388,393 4,165,180 2,082,590 1,041,295 3,123,886 1,561,943 4,685,830 2,342,915 7,028,746 3,514,373 10,543,120 5,271,560 2,635,780 1,317,890 658,945 1,976,836 988,418 494,209 1,482,628 741,314 370,657 1,111,972 555,986 277,993 833,980 416,990 208,495 625,486 312,743 938,230 469,115 1,407,346 703,673 2,111,020 1,055,510 527,755 1,583,266 791,633 2,374,900 1,187,450 593,725 1,781,176 890,588 445,294 222,647 667,942 333,971 1,001,914 500,957 1,502,872 751,436 375,718

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