3² × 7 × 25717

Prime Factor Structure

Factorization String 3^2 × 7 × 25717

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,674,672

Proper Divisor Sum 1,054,501

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #1620161 ← → #1620209

1 3 7 9 21 63 25,717 77,151 180,019 231,453 540,057 1,620,171

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

1,620,171 4,860,514 2,430,257 7,290,772 3,645,386 1,822,693 5,468,080 2,734,040 1,367,020 683,510 341,755 1,025,266 512,633 1,537,900 768,950 384,475 1,153,426 576,713 1,730,140 865,070 432,535 1,297,606 648,803 1,946,410 973,205 2,919,616 1,459,808 729,904 364,952 182,476 91,238 45,619 136,858 68,429 205,288 102,644 51,322 25,661 76,984 38,492 19,246 9,623 28,870 14,435 43,306 21,653 64,960 32,480 16,240 8,120 4,060 2,030 1,015 3,046 1,523 4,570 2,285 6,856 3,428 1,714

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