2 × 157 × 67273

Prime Factor Structure

Factorization String 2 × 157 × 67273

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 31,887,876

Proper Divisor Sum 10,764,154

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #21123721 ← → #21123757

1 2 157 314 67,273 134,546 10,561,861 21,123,722

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

21,123,722 10,561,861 31,685,584 15,842,792 7,921,396 3,960,698 1,980,349 5,941,048 2,970,524 1,485,262 742,631 2,227,894 1,113,947 3,341,842 1,670,921 5,012,764 2,506,382 1,253,191 3,759,574 1,879,787 5,639,362 2,819,681 8,459,044 4,229,522 2,114,761 6,344,284 3,172,142 1,586,071 4,758,214 2,379,107 7,137,322 3,568,661 10,705,984 5,352,992 2,676,496 1,338,248 669,124 334,562 167,281 501,844 250,922 125,461 376,384 188,192 94,096 47,048 23,524 11,762 5,881 17,644 8,822 4,411 13,234 6,617 19,852 9,926 4,963 14,890 7,445 22,336

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