2 × 13² × 17 × 19 × 257

Prime Factor Structure

Factorization String 2 × 13^2 × 17 × 19 × 257

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 50,991,120

Proper Divisor Sum 22,933,402

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #28057717 ← → #28057721

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

28,057,718 14,028,859 42,086,578 21,043,289 63,129,868 31,564,934 15,782,467 47,347,402 23,673,701 71,021,104 35,510,552 17,755,276 8,877,638 4,438,819 13,316,458 6,658,229 19,974,688 9,987,344 4,993,672 2,496,836 1,248,418 624,209 1,872,628 936,314 468,157 1,404,472 702,236 351,118 175,559 526,678 263,339 790,018 395,009 1,185,028 592,514 296,257 888,772 444,386 222,193 666,580 333,290 166,645 499,936 249,968 124,984 62,492 31,246 15,623 46,870 23,435 70,306 35,153 105,460 52,730 26,365 79,096 39,548 19,774 9,887 29,662

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