2 × 7 × 11 × 73 × 1879

Prime Factor Structure

Factorization String 2 × 7 × 11 × 73 × 1879

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 40,066,560

Proper Divisor Sum 18,942,842

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #21123709 ← → #21123721

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

21,123,718 10,561,859 31,685,578 15,842,789 47,528,368 23,764,184 11,882,092 5,941,046 2,970,523 8,911,570 4,455,785 13,367,356 6,683,678 3,341,839 10,025,518 5,012,759 15,038,278 7,519,139 22,557,418 11,278,709 33,836,128 16,918,064 8,459,032 4,229,516 2,114,758 1,057,379 3,172,138 1,586,069 4,758,208 2,379,104 1,189,552 594,776 297,388 148,694 74,347 223,042 111,521 334,564 167,282 83,641 250,924 125,462 62,731 188,194 94,097 282,292 141,146 70,573 211,720 105,860 52,930 26,465 79,396 39,698 19,849 59,548 29,774 14,887 44,662 22,331

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