5 × 13 × 17 × 653

Prime Factor Structure

Factorization String 5 × 13 × 17 × 653

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 988,848

Proper Divisor Sum 267,283

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #721561 ← → #721571

1 5 13 17 65 85 221 653 1,105 3,265 8,489 11,101 42,445 55,505 144,313 721,565

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

721,565 2,164,696 1,082,348 541,174 270,587 811,762 405,881 1,217,644 608,822 304,411 913,234 456,617 1,369,852 684,926 342,463 1,027,390 513,695 1,541,086 770,543 2,311,630 1,155,815 3,467,446 1,733,723 5,201,170 2,600,585 7,801,756 3,900,878 1,950,439 5,851,318 2,925,659 8,776,978 4,388,489 13,165,468 6,582,734 3,291,367 9,874,102 4,937,051 14,811,154 7,405,577 22,216,732 11,108,366 5,554,183 16,662,550 8,331,275 24,993,826 12,496,913 37,490,740 18,745,370 9,372,685 28,118,056 14,059,028 7,029,514 3,514,757 10,544,272 5,272,136 2,636,068 1,318,034 659,017 1,977,052 988,526

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