2 × 7 × 139 × 10949

Prime Factor Structure

Factorization String 2 × 7 × 139 × 10949

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 36,792,000

Proper Divisor Sum 15,485,246

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #21306749 ← → #21306811

1 2 7 14 139 278 973 1,946 10,949 21,898 76,643 153,286 1,521,911 3,043,822 10,653,377 21,306,754

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

21,306,754 10,653,377 31,960,132 15,980,066 7,990,033 23,970,100 11,985,050 5,992,525 17,977,576 8,988,788 4,494,394 2,247,197 6,741,592 3,370,796 1,685,398 842,699 2,528,098 1,264,049 3,792,148 1,896,074 948,037 2,844,112 1,422,056 711,028 355,514 177,757 533,272 266,636 133,318 66,659 199,978 99,989 299,968 149,984 74,992 37,496 18,748 9,374 4,687 14,062 7,031 21,094 10,547 31,642 15,821 47,464 23,732 11,866 5,933 17,800 8,900 4,450 2,225 6,676 3,338 1,669 5,008 2,504 1,252 626

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