2 × 320377

Prime Factor Structure

Factorization String 2 × 320377

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 961,134

Proper Divisor Sum 320,380

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #640741 ← → #640771

1 2 320,377 640,754

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

640,754 320,377 961,132 480,566 240,283 720,850 360,425 1,081,276 540,638 270,319 810,958 405,479 1,216,438 608,219 1,824,658 912,329 2,736,988 1,368,494 684,247 2,052,742 1,026,371 3,079,114 1,539,557 4,618,672 2,309,336 1,154,668 577,334 288,667 866,002 433,001 1,299,004 649,502 324,751 974,254 487,127 1,461,382 730,691 2,192,074 1,096,037 3,288,112 1,644,056 822,028 411,014 205,507 616,522 308,261 924,784 462,392 231,196 115,598 57,799 173,398 86,699 260,098 130,049 390,148 195,074 97,537 292,612 146,306

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