13 × 51307

Prime Factor Structure

Factorization String 13 × 51307

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 718,312

Proper Divisor Sum 51,321

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #666989 ← → #667013

1 13 51,307 666,991

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

666,991 2,000,974 1,000,487 3,001,462 1,500,731 4,502,194 2,251,097 6,753,292 3,376,646 1,688,323 5,064,970 2,532,485 7,597,456 3,798,728 1,899,364 949,682 474,841 1,424,524 712,262 356,131 1,068,394 534,197 1,602,592 801,296 400,648 200,324 100,162 50,081 150,244 75,122 37,561 112,684 56,342 28,171 84,514 42,257 126,772 63,386 31,693 95,080 47,540 23,770 11,885 35,656 17,828 8,914 4,457 13,372 6,686 3,343 10,030 5,015 15,046 7,523 22,570 11,285 33,856 16,928 8,464 4,232

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