19 × 29 × 31 × 71

Prime Factor Structure

Factorization String 19 × 29 × 31 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,382,400

Proper Divisor Sum 169,649

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #1212737 ← → #1212769

1 19 29 31 71 551 589 899 1,349 2,059 2,201 17,081 39,121 41,819 63,829 1,212,751

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

1,212,751 3,638,254 1,819,127 5,457,382 2,728,691 8,186,074 4,093,037 12,279,112 6,139,556 3,069,778 1,534,889 4,604,668 2,302,334 1,151,167 3,453,502 1,726,751 5,180,254 2,590,127 7,770,382 3,885,191 11,655,574 5,827,787 17,483,362 8,741,681 26,225,044 13,112,522 6,556,261 19,668,784 9,834,392 4,917,196 2,458,598 1,229,299 3,687,898 1,843,949 5,531,848 2,765,924 1,382,962 691,481 2,074,444 1,037,222 518,611 1,555,834 777,917 2,333,752 1,166,876 583,438 291,719 875,158 437,579 1,312,738 656,369 1,969,108 984,554 492,277 1,476,832 738,416 369,208 184,604 92,302 46,151

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