13 × 19 × 313

Prime Factor Structure

Factorization String 13 × 19 × 313

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 87,920

Proper Divisor Sum 10,609

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #77291 ← → #77317

1 13 19 247 313 4,069 5,947 77,311

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

77,311 231,934 115,967 347,902 173,951 521,854 260,927 782,782 391,391 1,174,174 587,087 1,761,262 880,631 2,641,894 1,320,947 3,962,842 1,981,421 5,944,264 2,972,132 1,486,066 743,033 2,229,100 1,114,550 557,275 1,671,826 835,913 2,507,740 1,253,870 626,935 1,880,806 940,403 2,821,210 1,410,605 4,231,816 2,115,908 1,057,954 528,977 1,586,932 793,466 396,733 1,190,200 595,100 297,550 148,775 446,326 223,163 669,490 334,745 1,004,236 502,118 251,059 753,178 376,589 1,129,768 564,884 282,442 141,221 423,664 211,832 105,916

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