2⁹ × 11 × 29 × 131

Prime Factor Structure

Factorization String 2^9 × 11 × 29 × 131

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 80

Divisor Sum (σ) 48,612,960

Proper Divisor Sum 27,216,992

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #21395963 ← → #21395987

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

21,395,968 10,697,984 5,348,992 2,674,496 1,337,248 668,624 334,312 167,156 83,578 41,789 125,368 62,684 31,342 15,671 47,014 23,507 70,522 35,261 105,784 52,892 26,446 13,223 39,670 19,835 59,506 29,753 89,260 44,630 22,315 66,946 33,473 100,420 50,210 25,105 75,316 37,658 18,829 56,488 28,244 14,122 7,061 21,184 10,592 5,296 2,648 1,324 662 331 994 497 1,492 746 373 1,120 560 280 140 70 35 106

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