13 × 137 × 293

Prime Factor Structure

Factorization String 13 × 137 × 293

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 568,008

Proper Divisor Sum 46,175

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #521831 ← → #521861

1 13 137 293 1,781 3,809 40,141 521,833

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

521,833 1,565,500 782,750 391,375 1,174,126 587,063 1,761,190 880,595 2,641,786 1,320,893 3,962,680 1,981,340 990,670 495,335 1,486,006 743,003 2,229,010 1,114,505 3,343,516 1,671,758 835,879 2,507,638 1,253,819 3,761,458 1,880,729 5,642,188 2,821,094 1,410,547 4,231,642 2,115,821 6,347,464 3,173,732 1,586,866 793,433 2,380,300 1,190,150 595,075 1,785,226 892,613 2,677,840 1,338,920 669,460 334,730 167,365 502,096 251,048 125,524 62,762 31,381 94,144 47,072 23,536 11,768 5,884 2,942 1,471 4,414 2,207 6,622 3,311

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