3 × 19 × 1213

Prime Factor Structure

Factorization String 3 × 19 × 1213

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 97,120

Proper Divisor Sum 27,979

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #69127 ← → #69143

1 3 19 57 1,213 3,639 23,047 69,141

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

69,141 207,424 103,712 51,856 25,928 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 12,311 36,934 18,467 55,402 27,701 83,104 41,552 20,776 10,388 5,194 2,597 7,792 3,896 1,948 974 487 1,462 731 2,194 1,097 3,292 1,646 823 2,470 1,235 3,706 1,853 5,560 2,780 1,390 695 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587 1,762 881 2,644

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