2² × 5 × 7² × 19 × 23

Prime Factor Structure

Factorization String 2^2 × 5 × 7^2 × 19 × 23

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 1,149,120

Proper Divisor Sum 720,860

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #428251 ← → #428273

1 2 4 5 7 10 14 19 20 23 28 35 38 46 49 70 76 92 95 98 115 133 140 161 190 196 230 245 266 322 380 437 460 490 532 644 665 805 874 931 980 1,127 1,330 1,610 1,748 1,862 2,185 2,254 2,660 3,059 3,220 3,724 4,370 4,508 4,655 5,635 6,118 8,740 9,310 11,270

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

428,260 214,130 107,065 321,196 160,598 80,299 240,898 120,449 361,348 180,674 90,337 271,012 135,506 67,753 203,260 101,630 50,815 152,446 76,223 228,670 114,335 343,006 171,503 514,510 257,255 771,766 385,883 1,157,650 578,825 1,736,476 868,238 434,119 1,302,358 651,179 1,953,538 976,769 2,930,308 1,465,154 732,577 2,197,732 1,098,866 549,433 1,648,300 824,150 412,075 1,236,226 618,113 1,854,340 927,170 463,585 1,390,756 695,378 347,689 1,043,068 521,534 260,767 782,302 391,151 1,173,454 586,727

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