7 × 19 × 71²

Prime Factor Structure

Factorization String 7 × 19 × 71^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 818,080

Proper Divisor Sum 147,627

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #670447 ← → #670457

1 7 19 71 133 497 1,349 5,041 9,443 35,287 95,779 670,453

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

670,453 2,011,360 1,005,680 502,840 251,420 125,710 62,855 188,566 94,283 282,850 141,425 424,276 212,138 106,069 318,208 159,104 79,552 39,776 19,888 9,944 4,972 2,486 1,243 3,730 1,865 5,596 2,798 1,399 4,198 2,099 6,298 3,149 9,448 4,724 2,362 1,181 3,544 1,772 886 443 1,330 665 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422 211 634 317 952 476 238 119

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