13 × 1979

Prime Factor Structure

Factorization String 13 × 1979

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 27,720

Proper Divisor Sum 1,993

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #25717 ← → #25733

1 13 1,979 25,727

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

25,727 77,182 38,591 115,774 57,887 173,662 86,831 260,494 130,247 390,742 195,371 586,114 293,057 879,172 439,586 219,793 659,380 329,690 164,845 494,536 247,268 123,634 61,817 185,452 92,726 46,363 139,090 69,545 208,636 104,318 52,159 156,478 78,239 234,718 117,359 352,078 176,039 528,118 264,059 792,178 396,089 1,188,268 594,134 297,067 891,202 445,601 1,336,804 668,402 334,201 1,002,604 501,302 250,651 751,954 375,977 1,127,932 563,966 281,983 845,950 422,975 1,268,926

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