7 × 23 × 97 × 1291

Prime Factor Structure

Factorization String 7 × 23 × 97 × 1291

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 24,310,272

Proper Divisor Sum 4,148,725

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #20161523 ← → #20161549

1 7 23 97 161 679 1,291 2,231 9,037 15,617 29,693 125,227 207,851 876,589 2,880,221 20,161,547

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

20,161,547 60,484,642 30,242,321 90,726,964 45,363,482 22,681,741 68,045,224 34,022,612 17,011,306 8,505,653 25,516,960 12,758,480 6,379,240 3,189,620 1,594,810 797,405 2,392,216 1,196,108 598,054 299,027 897,082 448,541 1,345,624 672,812 336,406 168,203 504,610 252,305 756,916 378,458 189,229 567,688 283,844 141,922 70,961 212,884 106,442 53,221 159,664 79,832 39,916 19,958 9,979 29,938 14,969 44,908 22,454 11,227 33,682 16,841 50,524 25,262 12,631 37,894 18,947 56,842 28,421 85,264 42,632 21,316

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