257 × 271

Prime Factor Structure

Factorization String 257 × 271

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 70,176

Proper Divisor Sum 529

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #69623 ← → #69653

1 257 271 69,647

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

69,647 208,942 104,471 313,414 156,707 470,122 235,061 705,184 352,592 176,296 88,148 44,074 22,037 66,112 33,056 16,528 8,264 4,132 2,066 1,033 3,100 1,550 775 2,326 1,163 3,490 1,745 5,236 2,618 1,309 3,928 1,964 982 491 1,474 737 2,212 1,106 553 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210 2,105 6,316 3,158 1,579 4,738 2,369 7,108 3,554 1,777 5,332 2,666

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