2⁴ × 5 × 359 × 751

Prime Factor Structure

Factorization String 2^4 × 5 × 359 × 751

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 50,353,920

Proper Divisor Sum 28,785,200

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #21568709 ← → #21568727

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

21,568,720 10,784,360 5,392,180 2,696,090 1,348,045 4,044,136 2,022,068 1,011,034 505,517 1,516,552 758,276 379,138 189,569 568,708 284,354 142,177 426,532 213,266 106,633 319,900 159,950 79,975 239,926 119,963 359,890 179,945 539,836 269,918 134,959 404,878 202,439 607,318 303,659 910,978 455,489 1,366,468 683,234 341,617 1,024,852 512,426 256,213 768,640 384,320 192,160 96,080 48,040 24,020 12,010 6,005 18,016 9,008 4,504 2,252 1,126 563 1,690 845 2,536 1,268 634

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