5 × 11 × 31 × 127

Prime Factor Structure

Factorization String 5 × 11 × 31 × 127

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 294,912

Proper Divisor Sum 78,377

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #216523 ← → #216551

1 5 11 31 55 127 155 341 635 1,397 1,705 3,937 6,985 19,685 43,307 216,535

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

216,535 649,606 324,803 974,410 487,205 1,461,616 730,808 365,404 182,702 91,351 274,054 137,027 411,082 205,541 616,624 308,312 154,156 77,078 38,539 115,618 57,809 173,428 86,714 43,357 130,072 65,036 32,518 16,259 48,778 24,389 73,168 36,584 18,292 9,146 4,573 13,720 6,860 3,430 1,715 5,146 2,573 7,720 3,860 1,930 965 2,896 1,448 724 362 181 544 272 136 68 34 17 52 26 13 40

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