7 × 31 × 647

Prime Factor Structure

Factorization String 7 × 31 × 647

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 165,888

Proper Divisor Sum 25,489

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #140381 ← → #140401

1 7 31 217 647 4,529 20,057 140,399

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

140,399 421,198 210,599 631,798 315,899 947,698 473,849 1,421,548 710,774 355,387 1,066,162 533,081 1,599,244 799,622 399,811 1,199,434 599,717 1,799,152 899,576 449,788 224,894 112,447 337,342 168,671 506,014 253,007 759,022 379,511 1,138,534 569,267 1,707,802 853,901 2,561,704 1,280,852 640,426 320,213 960,640 480,320 240,160 120,080 60,040 30,020 15,010 7,505 22,516 11,258 5,629 16,888 8,444 4,222 2,111 6,334 3,167 9,502 4,751 14,254 7,127 21,382 10,691 32,074

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