7 × 13 × 31²

Prime Factor Structure

Factorization String 7 × 13 × 31^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 111,216

Proper Divisor Sum 23,765

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #87443 ← → #87473

1 7 13 31 91 217 403 961 2,821 6,727 12,493 87,451

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

87,451 262,354 131,177 393,532 196,766 98,383 295,150 147,575 442,726 221,363 664,090 332,045 996,136 498,068 249,034 124,517 373,552 186,776 93,388 46,694 23,347 70,042 35,021 105,064 52,532 26,266 13,133 39,400 19,700 9,850 4,925 14,776 7,388 3,694 1,847 5,542 2,771 8,314 4,157 12,472 6,236 3,118 1,559 4,678 2,339 7,018 3,509 10,528 5,264 2,632 1,316 658 329 988 494 247 742 371 1,114 557

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