2² × 3 × 7 × 233 × 1091

Prime Factor Structure

Factorization String 2^2 × 3 × 7 × 233 × 1091

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 57,238,272

Proper Divisor Sum 35,885,220

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #21353051 ← → #21353053

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

21,353,052 10,676,526 5,338,263 16,014,790 8,007,395 24,022,186 12,011,093 36,033,280 18,016,640 9,008,320 4,504,160 2,252,080 1,126,040 563,020 281,510 140,755 422,266 211,133 633,400 316,700 158,350 79,175 237,526 118,763 356,290 178,145 534,436 267,218 133,609 400,828 200,414 100,207 300,622 150,311 450,934 225,467 676,402 338,201 1,014,604 507,302 253,651 760,954 380,477 1,141,432 570,716 285,358 142,679 428,038 214,019 642,058 321,029 963,088 481,544 240,772 120,386 60,193 180,580 90,290 45,145 135,436

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