5 × 13 × 131 × 251

Prime Factor Structure

Factorization String 5 × 13 × 131 × 251

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,794,176

Proper Divisor Sum 656,911

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2137259 ← → #2137273

1 5 13 65 131 251 655 1,255 1,703 3,263 8,515 16,315 32,881 164,405 427,453 2,137,265

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

2,137,265 6,411,796 3,205,898 1,602,949 4,808,848 2,404,424 1,202,212 601,106 300,553 901,660 450,830 225,415 676,246 338,123 1,014,370 507,185 1,521,556 760,778 380,389 1,141,168 570,584 285,292 142,646 71,323 213,970 106,985 320,956 160,478 80,239 240,718 120,359 361,078 180,539 541,618 270,809 812,428 406,214 203,107 609,322 304,661 913,984 456,992 228,496 114,248 57,124 28,562 14,281 42,844 21,422 10,711 32,134 16,067 48,202 24,101 72,304 36,152 18,076 9,038 4,519 13,558

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