13 × 31 × 1709

Prime Factor Structure

Factorization String 13 × 31 × 1709

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 766,080

Proper Divisor Sum 77,353

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #688717 ← → #688729

1 13 31 403 1,709 22,217 52,979 688,727

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

688,727 2,066,182 1,033,091 3,099,274 1,549,637 4,648,912 2,324,456 1,162,228 581,114 290,557 871,672 435,836 217,918 108,959 326,878 163,439 490,318 245,159 735,478 367,739 1,103,218 551,609 1,654,828 827,414 413,707 1,241,122 620,561 1,861,684 930,842 465,421 1,396,264 698,132 349,066 174,533 523,600 261,800 130,900 65,450 32,725 98,176 49,088 24,544 12,272 6,136 3,068 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242

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