3 × 7 × 19 × 5413

Prime Factor Structure

Factorization String 3 × 7 × 19 × 5413

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,464,960

Proper Divisor Sum 1,305,173

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #2159783 ← → #2159789

1 3 7 19 21 57 133 399 5,413 16,239 37,891 102,847 113,673 308,541 719,929 2,159,787

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

2,159,787 6,479,362 3,239,681 9,719,044 4,859,522 2,429,761 7,289,284 3,644,642 1,822,321 5,466,964 2,733,482 1,366,741 4,100,224 2,050,112 1,025,056 512,528 256,264 128,132 64,066 32,033 96,100 48,050 24,025 72,076 36,038 18,019 54,058 27,029 81,088 40,544 20,272 10,136 5,068 2,534 1,267 3,802 1,901 5,704 2,852 1,426 713 2,140 1,070 535 1,606 803 2,410 1,205 3,616 1,808 904 452 226 113 340 170 85 256 128 64

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