257 × 647

Prime Factor Structure

Factorization String 257 × 647

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 167,184

Proper Divisor Sum 905

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #166273 ← → #166289

1 257 647 166,279

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

166,279 498,838 249,419 748,258 374,129 1,122,388 561,194 280,597 841,792 420,896 210,448 105,224 52,612 26,306 13,153 39,460 19,730 9,865 29,596 14,798 7,399 22,198 11,099 33,298 16,649 49,948 24,974 12,487 37,462 18,731 56,194 28,097 84,292 42,146 21,073 63,220 31,610 15,805 47,416 23,708 11,854 5,927 17,782 8,891 26,674 13,337 40,012 20,006 10,003 30,010 15,005 45,016 22,508 11,254 5,627 16,882 8,441 25,324 12,662 6,331

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