2⁴ × 5 × 53 × 151

Prime Factor Structure

Factorization String 2^4 × 5 × 53 × 151

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 1,526,688

Proper Divisor Sum 886,448

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #640231 ← → #640247

1 2 4 5 8 10 16 20 40 53 80 106 151 212 265 302 424 530 604 755 848 1,060 1,208 1,510 2,120 2,416 3,020 4,240 6,040 8,003 12,080 16,006 32,012 40,015 64,024 80,030 128,048 160,060 320,120 640,240

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

640,240 320,120 160,060 80,030 40,015 120,046 60,023 180,070 90,035 270,106 135,053 405,160 202,580 101,290 50,645 151,936 75,968 37,984 18,992 9,496 4,748 2,374 1,187 3,562 1,781 5,344 2,672 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102

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