3 × 7 × 47 × 21577

Prime Factor Structure

Factorization String 3 × 7 × 47 × 21577

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 33,143,808

Proper Divisor Sum 11,847,309

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #21296491 ← → #21296501

1 3 7 21 47 141 329 987 21,577 64,731 151,039 453,117 1,014,119 3,042,357 7,098,833 21,296,499

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

21,296,499 63,889,498 31,944,749 95,834,248 47,917,124 23,958,562 11,979,281 35,937,844 17,968,922 8,984,461 26,953,384 13,476,692 6,738,346 3,369,173 10,107,520 5,053,760 2,526,880 1,263,440 631,720 315,860 157,930 78,965 236,896 118,448 59,224 29,612 14,806 7,403 22,210 11,105 33,316 16,658 8,329 24,988 12,494 6,247 18,742 9,371 28,114 14,057 42,172 21,086 10,543 31,630 15,815 47,446 23,723 71,170 35,585 106,756 53,378 26,689 80,068 40,034 20,017 60,052 30,026 15,013 45,040 22,520

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