2² × 5 × 11 × 128591

Prime Factor Structure

Factorization String 2^2 × 5 × 11 × 128591

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 64,810,368

Proper Divisor Sum 36,520,348

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #28290019 ← → #28290037

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

28,290,020 14,145,010 7,072,505 21,217,516 10,608,758 5,304,379 15,913,138 7,956,569 23,869,708 11,934,854 5,967,427 17,902,282 8,951,141 26,853,424 13,426,712 6,713,356 3,356,678 1,678,339 5,035,018 2,517,509 7,552,528 3,776,264 1,888,132 944,066 472,033 1,416,100 708,050 354,025 1,062,076 531,038 265,519 796,558 398,279 1,194,838 597,419 1,792,258 896,129 2,688,388 1,344,194 672,097 2,016,292 1,008,146 504,073 1,512,220 756,110 378,055 1,134,166 567,083 1,701,250 850,625 2,551,876 1,275,938 637,969 1,913,908 956,954 478,477 1,435,432 717,716 358,858 179,429

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