2 × 43 × 487 × 503

Prime Factor Structure

Factorization String 2 × 43 × 487 × 503

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 32,465,664

Proper Divisor Sum 11,399,018

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #21066641 ← → #21066677

1 2 43 86 487 503 974 1,006 20,941 21,629 41,882 43,258 244,961 489,922 10,533,323 21,066,646

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

21,066,646 10,533,323 31,599,970 15,799,985 47,399,956 23,699,978 11,849,989 35,549,968 17,774,984 8,887,492 4,443,746 2,221,873 6,665,620 3,332,810 1,666,405 4,999,216 2,499,608 1,249,804 624,902 312,451 937,354 468,677 1,406,032 703,016 351,508 175,754 87,877 263,632 131,816 65,908 32,954 16,477 49,432 24,716 12,358 6,179 18,538 9,269 27,808 13,904 6,952 3,476 1,738 869 2,608 1,304 652 326 163 490 245 736 368 184 92 46 23 70 35 106

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