2 × 7² × 277 × 787

Prime Factor Structure

Factorization String 2 × 7^2 × 277 × 787

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 37,459,944

Proper Divisor Sum 16,096,042

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #21363899 ← → #21363907

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

21,363,902 10,681,951 32,045,854 16,022,927 48,068,782 24,034,391 72,103,174 36,051,587 108,154,762 54,077,381 162,232,144 81,116,072 40,558,036 20,279,018 10,139,509 30,418,528 15,209,264 7,604,632 3,802,316 1,901,158 950,579 2,851,738 1,425,869 4,277,608 2,138,804 1,069,402 534,701 1,604,104 802,052 401,026 200,513 601,540 300,770 150,385 451,156 225,578 112,789 338,368 169,184 84,592 42,296 21,148 10,574 5,287 15,862 7,931 23,794 11,897 35,692 17,846 8,923 26,770 13,385 40,156 20,078 10,039 30,118 15,059 45,178 22,589

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