421 × 563

Prime Factor Structure

Factorization String 421 × 563

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 238,008

Proper Divisor Sum 985

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #237019 ← → #237043

1 421 563 237,023

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

237,023 711,070 355,535 1,066,606 533,303 1,599,910 799,955 2,399,866 1,199,933 3,599,800 1,799,900 899,950 449,975 1,349,926 674,963 2,024,890 1,012,445 3,037,336 1,518,668 759,334 379,667 1,139,002 569,501 1,708,504 854,252 427,126 213,563 640,690 320,345 961,036 480,518 240,259 720,778 360,389 1,081,168 540,584 270,292 135,146 67,573 202,720 101,360 50,680 25,340 12,670 6,335 19,006 9,503 28,510 14,255 42,766 21,383 64,150 32,075 96,226 48,113 144,340 72,170 36,085 108,256 54,128

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