3 × 5 × 53 × 907

Prime Factor Structure

Factorization String 3 × 5 × 53 × 907

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,176,768

Proper Divisor Sum 455,703

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #721057 ← → #721079

1 3 5 15 53 159 265 795 907 2,721 4,535 13,605 48,071 144,213 240,355 721,065

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

721,065 2,163,196 1,081,598 540,799 1,622,398 811,199 2,433,598 1,216,799 3,650,398 1,825,199 5,475,598 2,737,799 8,213,398 4,106,699 12,320,098 6,160,049 18,480,148 9,240,074 4,620,037 13,860,112 6,930,056 3,465,028 1,732,514 866,257 2,598,772 1,299,386 649,693 1,949,080 974,540 487,270 243,635 730,906 365,453 1,096,360 548,180 274,090 137,045 411,136 205,568 102,784 51,392 25,696 12,848 6,424 3,212 1,606 803 2,410 1,205 3,616 1,808 904 452 226 113 340 170 85 256 128

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