2² × 3⁴ × 66733

Prime Factor Structure

Factorization String 2^2 × 3^4 × 66733

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 30

Divisor Sum (σ) 56,523,698

Proper Divisor Sum 34,902,206

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #21621491 ← → #21621497

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

21,621,492 10,810,746 5,405,373 16,216,120 8,108,060 4,054,030 2,027,015 6,081,046 3,040,523 9,121,570 4,560,785 13,682,356 6,841,178 3,420,589 10,261,768 5,130,884 2,565,442 1,282,721 3,848,164 1,924,082 962,041 2,886,124 1,443,062 721,531 2,164,594 1,082,297 3,246,892 1,623,446 811,723 2,435,170 1,217,585 3,652,756 1,826,378 913,189 2,739,568 1,369,784 684,892 342,446 171,223 513,670 256,835 770,506 385,253 1,155,760 577,880 288,940 144,470 72,235 216,706 108,353 325,060 162,530 81,265 243,796 121,898 60,949 182,848 91,424 45,712 22,856

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