3 × 7 × 71 × 461

Prime Factor Structure

Factorization String 3 × 7 × 71 × 461

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,064,448

Proper Divisor Sum 377,097

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #687343 ← → #687359

1 3 7 21 71 213 461 497 1,383 1,491 3,227 9,681 32,731 98,193 229,117 687,351

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

687,351 2,062,054 1,031,027 3,093,082 1,546,541 4,639,624 2,319,812 1,159,906 579,953 1,739,860 869,930 434,965 1,304,896 652,448 326,224 163,112 81,556 40,778 20,389 61,168 30,584 15,292 7,646 3,823 11,470 5,735 17,206 8,603 25,810 12,905 38,716 19,358 9,679 29,038 14,519 43,558 21,779 65,338 32,669 98,008 49,004 24,502 12,251 36,754 18,377 55,132 27,566 13,783 41,350 20,675 62,026 31,013 93,040 46,520 23,260 11,630 5,815 17,446 8,723 26,170

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