13 × 257 × 271

Prime Factor Structure

Factorization String 13 × 257 × 271

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 982,464

Proper Divisor Sum 77,053

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #905381 ← → #905413

1 13 257 271 3,341 3,523 69,647 905,411

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

905,411 2,716,234 1,358,117 4,074,352 2,037,176 1,018,588 509,294 254,647 763,942 381,971 1,145,914 572,957 1,718,872 859,436 429,718 214,859 644,578 322,289 966,868 483,434 241,717 725,152 362,576 181,288 90,644 45,322 22,661 67,984 33,992 16,996 8,498 4,249 12,748 6,374 3,187 9,562 4,781 14,344 7,172 3,586 1,793 5,380 2,690 1,345 4,036 2,018 1,009 3,028 1,514 757 2,272 1,136 568 284 142 71 214 107 322 161

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