3 × 7 × 151 × 491

Prime Factor Structure

Factorization String 3 × 7 × 151 × 491

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,393,088

Proper Divisor Sum 836,127

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #1556927 ← → #1556963

1 3 7 21 151 453 491 1,057 1,473 3,171 3,437 10,311 74,141 222,423 518,987 1,556,961

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

1,556,961 4,670,884 2,335,442 1,167,721 3,503,164 1,751,582 875,791 2,627,374 1,313,687 3,941,062 1,970,531 5,911,594 2,955,797 8,867,392 4,433,696 2,216,848 1,108,424 554,212 277,106 138,553 415,660 207,830 103,915 311,746 155,873 467,620 233,810 116,905 350,716 175,358 87,679 263,038 131,519 394,558 197,279 591,838 295,919 887,758 443,879 1,331,638 665,819 1,997,458 998,729 2,996,188 1,498,094 749,047 2,247,142 1,123,571 3,370,714 1,685,357 5,056,072 2,528,036 1,264,018 632,009 1,896,028 948,014 474,007 1,422,022 711,011 2,133,034

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