3² × 71119

Prime Factor Structure

Factorization String 3^2 × 71119

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 924,560

Proper Divisor Sum 284,489

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #640069 ← → #640099

1 3 9 71,119 213,357 640,071

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

640,071 1,920,214 960,107 2,880,322 1,440,161 4,320,484 2,160,242 1,080,121 3,240,364 1,620,182 810,091 2,430,274 1,215,137 3,645,412 1,822,706 911,353 2,734,060 1,367,030 683,515 2,050,546 1,025,273 3,075,820 1,537,910 768,955 2,306,866 1,153,433 3,460,300 1,730,150 865,075 2,595,226 1,297,613 3,892,840 1,946,420 973,210 486,605 1,459,816 729,908 364,954 182,477 547,432 273,716 136,858 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

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