13 × 47 × 2689

Prime Factor Structure

Factorization String 13 × 47 × 2689

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,807,680

Proper Divisor Sum 164,701

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #1642951 ← → #1642997

1 13 47 611 2,689 34,957 126,383 1,642,979

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

1,642,979 4,928,938 2,464,469 7,393,408 3,696,704 1,848,352 924,176 462,088 231,044 115,522 57,761 173,284 86,642 43,321 129,964 64,982 32,491 97,474 48,737 146,212 73,106 36,553 109,660 54,830 27,415 82,246 41,123 123,370 61,685 185,056 92,528 46,264 23,132 11,566 5,783 17,350 8,675 26,026 13,013 39,040 19,520 9,760 4,880 2,440 1,220 610 305 916 458 229 688 344 172 86 43 130 65 196 98 49

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