47 × 53 × 257

Prime Factor Structure

Factorization String 47 × 53 × 257

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 668,736

Proper Divisor Sum 28,549

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #640163 ← → #640193

1 47 53 257 2,491 12,079 13,621 640,187

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

640,187 1,920,562 960,281 2,880,844 1,440,422 720,211 2,160,634 1,080,317 3,240,952 1,620,476 810,238 405,119 1,215,358 607,679 1,823,038 911,519 2,734,558 1,367,279 4,101,838 2,050,919 6,152,758 3,076,379 9,229,138 4,614,569 13,843,708 6,921,854 3,460,927 10,382,782 5,191,391 15,574,174 7,787,087 23,361,262 11,680,631 35,041,894 17,520,947 52,562,842 26,281,421 78,844,264 39,422,132 19,711,066 9,855,533 29,566,600 14,783,300 7,391,650 3,695,825 11,087,476 5,543,738 2,771,869 8,315,608 4,157,804 2,078,902 1,039,451 3,118,354 1,559,177 4,677,532 2,338,766 1,169,383 3,508,150 1,754,075 5,262,226

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