13 × 61 × 71 × 131

Prime Factor Structure

Factorization String 13 × 61 × 71 × 131

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 8,249,472

Proper Divisor Sum 873,779

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #7375681 ← → #7375721

1 13 61 71 131 793 923 1,703 4,331 7,991 9,301 56,303 103,883 120,913 567,361 7,375,693

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

7,375,693 22,127,080 11,063,540 5,531,770 2,765,885 8,297,656 4,148,828 2,074,414 1,037,207 3,111,622 1,555,811 4,667,434 2,333,717 7,001,152 3,500,576 1,750,288 875,144 437,572 218,786 109,393 328,180 164,090 82,045 246,136 123,068 61,534 30,767 92,302 46,151 138,454 69,227 207,682 103,841 311,524 155,762 77,881 233,644 116,822 58,411 175,234 87,617 262,852 131,426 65,713 197,140 98,570 49,285 147,856 73,928 36,964 18,482 9,241 27,724 13,862 6,931 20,794 10,397 31,192 15,596 7,798

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