3² × 7² × 139133

Prime Factor Structure

Factorization String 3^2 × 7^2 × 139133

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 103,098,294

Proper Divisor Sum 41,740,641

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #61357651 ← → #61357657

1 3 7 9 21 49 63 147 441 139,133 417,399 973,931 1,252,197 2,921,793 6,817,517 8,765,379 20,452,551 61,357,653

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

61,357,653 184,072,960 92,036,480 46,018,240 23,009,120 11,504,560 5,752,280 2,876,140 1,438,070 719,035 2,157,106 1,078,553 3,235,660 1,617,830 808,915 2,426,746 1,213,373 3,640,120 1,820,060 910,030 455,015 1,365,046 682,523 2,047,570 1,023,785 3,071,356 1,535,678 767,839 2,303,518 1,151,759 3,455,278 1,727,639 5,182,918 2,591,459 7,774,378 3,887,189 11,661,568 5,830,784 2,915,392 1,457,696 728,848 364,424 182,212 91,106 45,553 136,660 68,330 34,165 102,496 51,248 25,624 12,812 6,406 3,203 9,610 4,805 14,416 7,208 3,604 1,802

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