5 × 37 × 109 × 1061

Prime Factor Structure

Factorization String 5 × 37 × 109 × 1061

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 26,634,960

Proper Divisor Sum 5,239,895

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #21395063 ← → #21395089

1 5 37 109 185 545 1,061 4,033 5,305 20,165 39,257 115,649 196,285 578,245 4,279,013 21,395,065

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

21,395,065 64,185,196 32,092,598 16,046,299 48,138,898 24,069,449 72,208,348 36,104,174 18,052,087 54,156,262 27,078,131 81,234,394 40,617,197 121,851,592 60,925,796 30,462,898 15,231,449 45,694,348 22,847,174 11,423,587 34,270,762 17,135,381 51,406,144 25,703,072 12,851,536 6,425,768 3,212,884 1,606,442 803,221 2,409,664 1,204,832 602,416 301,208 150,604 75,302 37,651 112,954 56,477 169,432 84,716 42,358 21,179 63,538 31,769 95,308 47,654 23,827 71,482 35,741 107,224 53,612 26,806 13,403 40,210 20,105 60,316 30,158 15,079 45,238 22,619

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