31 × 20897

Prime Factor Structure

Factorization String 31 × 20897

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 668,736

Proper Divisor Sum 20,929

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #647789 ← → #647809

1 31 20,897 647,807

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

647,807 1,943,422 971,711 2,915,134 1,457,567 4,372,702 2,186,351 6,559,054 3,279,527 9,838,582 4,919,291 14,757,874 7,378,937 22,136,812 11,068,406 5,534,203 16,602,610 8,301,305 24,903,916 12,451,958 6,225,979 18,677,938 9,338,969 28,016,908 14,008,454 7,004,227 21,012,682 10,506,341 31,519,024 15,759,512 7,879,756 3,939,878 1,969,939 5,909,818 2,954,909 8,864,728 4,432,364 2,216,182 1,108,091 3,324,274 1,662,137 4,986,412 2,493,206 1,246,603 3,739,810 1,869,905 5,609,716 2,804,858 1,402,429 4,207,288 2,103,644 1,051,822 525,911 1,577,734 788,867 2,366,602 1,183,301 3,549,904 1,774,952 887,476

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