11 × 13 × 29 × 31

Prime Factor Structure

Factorization String 11 × 13 × 29 × 31

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 161,280

Proper Divisor Sum 32,723

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #128551 ← → #128563

1 11 13 29 31 143 319 341 377 403 899 4,147 4,433 9,889 11,687 128,557

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

128,557 385,672 192,836 96,418 48,209 144,628 72,314 36,157 108,472 54,236 27,118 13,559 40,678 20,339 61,018 30,509 91,528 45,764 22,882 11,441 34,324 17,162 8,581 25,744 12,872 6,436 3,218 1,609 4,828 2,414 1,207 3,622 1,811 5,434 2,717 8,152 4,076 2,038 1,019 3,058 1,529 4,588 2,294 1,147 3,442 1,721 5,164 2,582 1,291 3,874 1,937 5,812 2,906 1,453 4,360 2,180 1,090 545 1,636 818

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