2⁶ × 5² × 13 × 31

Prime Factor Structure

Factorization String 2^6 × 5^2 × 13 × 31

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 84

Divisor Sum (σ) 1,763,776

Proper Divisor Sum 1,118,976

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #644797 ← → #644801

1 2 4 5 8 10 13 16 20 25 26 31 32 40 50 52 62 64 65 80 100 104 124 130 155 160 200 208 248 260 310 320 325 400 403 416 496 520 620 650 775 800 806 832 992 1,040 1,240 1,300 1,550 1,600 1,612 1,984 2,015 2,080 2,480 2,600 3,100 3,224 4,030 4,160

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

644,800 322,400 161,200 80,600 40,300 20,150 10,075 30,226 15,113 45,340 22,670 11,335 34,006 17,003 51,010 25,505 76,516 38,258 19,129 57,388 28,694 14,347 43,042 21,521 64,564 32,282 16,141 48,424 24,212 12,106 6,053 18,160 9,080 4,540 2,270 1,135 3,406 1,703 5,110 2,555 7,666 3,833 11,500 5,750 2,875 8,626 4,313 12,940 6,470 3,235 9,706 4,853 14,560 7,280 3,640 1,820 910 455 1,366 683

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