3² × 67 × 1063

Prime Factor Structure

Factorization String 3^2 × 67 × 1063

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 940,576

Proper Divisor Sum 299,587

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #640973 ← → #640993

1 3 9 67 201 603 1,063 3,189 9,567 71,221 213,663 640,989

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

640,989 1,922,968 961,484 480,742 240,371 721,114 360,557 1,081,672 540,836 270,418 135,209 405,628 202,814 101,407 304,222 152,111 456,334 228,167 684,502 342,251 1,026,754 513,377 1,540,132 770,066 385,033 1,155,100 577,550 288,775 866,326 433,163 1,299,490 649,745 1,949,236 974,618 487,309 1,461,928 730,964 365,482 182,741 548,224 274,112 137,056 68,528 34,264 17,132 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067

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