1291 × 1559

Prime Factor Structure

Factorization String 1291 × 1559

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,015,520

Proper Divisor Sum 2,851

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2012663 ← → #2012671

1 1,291 1,559 2,012,669

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

2,012,669 6,038,008 3,019,004 1,509,502 754,751 2,264,254 1,132,127 3,396,382 1,698,191 5,094,574 2,547,287 7,641,862 3,820,931 11,462,794 5,731,397 17,194,192 8,597,096 4,298,548 2,149,274 1,074,637 3,223,912 1,611,956 805,978 402,989 1,208,968 604,484 302,242 151,121 453,364 226,682 113,341 340,024 170,012 85,006 42,503 127,510 63,755 191,266 95,633 286,900 143,450 71,725 215,176 107,588 53,794 26,897 80,692 40,346 20,173 60,520 30,260 15,130 7,565 22,696 11,348 5,674 2,837 8,512 4,256 2,128

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