2² × 7 × 31 × 151 × 163

Prime Factor Structure

Factorization String 2^2 × 7 × 31 × 151 × 163

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 44,670,976

Proper Divisor Sum 23,306,892

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #21364073 ← → #21364093

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

21,364,084 10,682,042 5,341,021 16,023,064 8,011,532 4,005,766 2,002,883 6,008,650 3,004,325 9,012,976 4,506,488 2,253,244 1,126,622 563,311 1,689,934 844,967 2,534,902 1,267,451 3,802,354 1,901,177 5,703,532 2,851,766 1,425,883 4,277,650 2,138,825 6,416,476 3,208,238 1,604,119 4,812,358 2,406,179 7,218,538 3,609,269 10,827,808 5,413,904 2,706,952 1,353,476 676,738 338,369 1,015,108 507,554 253,777 761,332 380,666 190,333 571,000 285,500 142,750 71,375 214,126 107,063 321,190 160,595 481,786 240,893 722,680 361,340 180,670 90,335 271,006 135,503

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