3² × 71153

Prime Factor Structure

Factorization String 3^2 × 71153

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 925,002

Proper Divisor Sum 284,625

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #640369 ← → #640411

1 3 9 71,153 213,459 640,377

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

640,377 1,921,132 960,566 480,283 1,440,850 720,425 2,161,276 1,080,638 540,319 1,620,958 810,479 2,431,438 1,215,719 3,647,158 1,823,579 5,470,738 2,735,369 8,206,108 4,103,054 2,051,527 6,154,582 3,077,291 9,231,874 4,615,937 13,847,812 6,923,906 3,461,953 10,385,860 5,192,930 2,596,465 7,789,396 3,894,698 1,947,349 5,842,048 2,921,024 1,460,512 730,256 365,128 182,564 91,282 45,641 136,924 68,462 34,231 102,694 51,347 154,042 77,021 231,064 115,532 57,766 28,883 86,650 43,325 129,976 64,988 32,494 16,247 48,742 24,371

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