11 × 13 × 19 × 61

Prime Factor Structure

Factorization String 11 × 13 × 19 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 208,320

Proper Divisor Sum 42,583

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #165721 ← → #165749

1 11 13 19 61 143 209 247 671 793 1,159 2,717 8,723 12,749 15,067 165,737

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

165,737 497,212 248,606 124,303 372,910 186,455 559,366 279,683 839,050 419,525 1,258,576 629,288 314,644 157,322 78,661 235,984 117,992 58,996 29,498 14,749 44,248 22,124 11,062 5,531 16,594 8,297 24,892 12,446 6,223 18,670 9,335 28,006 14,003 42,010 21,005 63,016 31,508 15,754 7,877 23,632 11,816 5,908 2,954 1,477 4,432 2,216 1,108 554 277 832 416 208 104 52 26 13 40 20 10 5

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