7 × 31 × 1021

Prime Factor Structure

Factorization String 7 × 31 × 1021

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 261,632

Proper Divisor Sum 40,075

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #221549 ← → #221567

1 7 31 217 1,021 7,147 31,651 221,557

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

221,557 664,672 332,336 166,168 83,084 41,542 20,771 62,314 31,157 93,472 46,736 23,368 11,684 5,842 2,921 8,764 4,382 2,191 6,574 3,287 9,862 4,931 14,794 7,397 22,192 11,096 5,548 2,774 1,387 4,162 2,081 6,244 3,122 1,561 4,684 2,342 1,171 3,514 1,757 5,272 2,636 1,318 659 1,978 989 2,968 1,484 742 371 1,114 557 1,672 836 418 209 628 314 157 472 236

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