2² × 31 × 4139

Prime Factor Structure

Factorization String 2^2 × 31 × 4139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 927,360

Proper Divisor Sum 414,124

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #513203 ← → #513239

1 2 4 31 62 124 4,139 8,278 16,556 128,309 256,618 513,236

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

513,236 256,618 128,309 384,928 192,464 96,232 48,116 24,058 12,029 36,088 18,044 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227 45,682 22,841 68,524 34,262 17,131 51,394 25,697 77,092 38,546 19,273 57,820 28,910 14,455 43,366 21,683 65,050 32,525 97,576 48,788 24,394 12,197 36,592 18,296 9,148 4,574 2,287 6,862 3,431 10,294 5,147 15,442 7,721 23,164 11,582 5,791 17,374 8,687 26,062 13,031 39,094 19,547

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