13 × 19 × 1613

Prime Factor Structure

Factorization String 13 × 19 × 1613

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 451,920

Proper Divisor Sum 53,509

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #398407 ← → #398417

1 13 19 247 1,613 20,969 30,647 398,411

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

398,411 1,195,234 597,617 1,792,852 896,426 448,213 1,344,640 672,320 336,160 168,080 84,040 42,020 21,010 10,505 31,516 15,758 7,879 23,638 11,819 35,458 17,729 53,188 26,594 13,297 39,892 19,946 9,973 29,920 14,960 7,480 3,740 1,870 935 2,806 1,403 4,210 2,105 6,316 3,158 1,579 4,738 2,369 7,108 3,554 1,777 5,332 2,666 1,333 4,000 2,000 1,000 500 250 125 376 188 94 47 142 71

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