3 × 215521

Prime Factor Structure

Factorization String 3 × 215521

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 862,088

Proper Divisor Sum 215,525

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #646549 ← → #646571

1 3 215,521 646,563

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

646,563 1,939,690 969,845 2,909,536 1,454,768 727,384 363,692 181,846 90,923 272,770 136,385 409,156 204,578 102,289 306,868 153,434 76,717 230,152 115,076 57,538 28,769 86,308 43,154 21,577 64,732 32,366 16,183 48,550 24,275 72,826 36,413 109,240 54,620 27,310 13,655 40,966 20,483 61,450 30,725 92,176 46,088 23,044 11,522 5,761 17,284 8,642 4,321 12,964 6,482 3,241 9,724 4,862 2,431 7,294 3,647 10,942 5,471 16,414 8,207 24,622

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