5 × 13 × 23 × 1987

Prime Factor Structure

Factorization String 5 × 13 × 23 × 1987

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,007,808

Proper Divisor Sum 1,037,243

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #2970559 ← → #2970599

1 5 13 23 65 115 299 1,495 1,987 9,935 25,831 45,701 129,155 228,505 594,113 2,970,565

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

2,970,565 8,911,696 4,455,848 2,227,924 1,113,962 556,981 1,670,944 835,472 417,736 208,868 104,434 52,217 156,652 78,326 39,163 117,490 58,745 176,236 88,118 44,059 132,178 66,089 198,268 99,134 49,567 148,702 74,351 223,054 111,527 334,582 167,291 501,874 250,937 752,812 376,406 188,203 564,610 282,305 846,916 423,458 211,729 635,188 317,594 158,797 476,392 238,196 119,098 59,549 178,648 89,324 44,662 22,331 66,994 33,497 100,492 50,246 25,123 75,370 37,685 113,056

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