11³ × 13 × 37

Prime Factor Structure

Factorization String 11^3 × 13 × 37

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 778,848

Proper Divisor Sum 138,637

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #640193 ← → #640219

1 11 13 37 121 143 407 481 1,331 1,573 4,477 5,291 17,303 49,247 58,201 640,211

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

640,211 1,920,634 960,317 2,880,952 1,440,476 720,238 360,119 1,080,358 540,179 1,620,538 810,269 2,430,808 1,215,404 607,702 303,851 911,554 455,777 1,367,332 683,666 341,833 1,025,500 512,750 256,375 769,126 384,563 1,153,690 576,845 1,730,536 865,268 432,634 216,317 648,952 324,476 162,238 81,119 243,358 121,679 365,038 182,519 547,558 273,779 821,338 410,669 1,232,008 616,004 308,002 154,001 462,004 231,002 115,501 346,504 173,252 86,626 43,313 129,940 64,970 32,485 97,456 48,728 24,364

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