7³ × 19 × 61

Prime Factor Structure

Factorization String 7^3 × 19 × 61

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 496,000

Proper Divisor Sum 98,463

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #397519 ← → #397541

1 7 19 49 61 133 343 427 931 1,159 2,989 6,517 8,113 20,923 56,791 397,537

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

397,537 1,192,612 596,306 298,153 894,460 447,230 223,615 670,846 335,423 1,006,270 503,135 1,509,406 754,703 2,264,110 1,132,055 3,396,166 1,698,083 5,094,250 2,547,125 7,641,376 3,820,688 1,910,344 955,172 477,586 238,793 716,380 358,190 179,095 537,286 268,643 805,930 402,965 1,208,896 604,448 302,224 151,112 75,556 37,778 18,889 56,668 28,334 14,167 42,502 21,251 63,754 31,877 95,632 47,816 23,908 11,954 5,977 17,932 8,966 4,483 13,450 6,725 20,176 10,088 5,044 2,522

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