5 × 13 × 31 × 311

Prime Factor Structure

Factorization String 5 × 13 × 31 × 311

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 838,656

Proper Divisor Sum 211,991

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #626663 ← → #626683

1 5 13 31 65 155 311 403 1,555 2,015 4,043 9,641 20,215 48,205 125,333 626,665

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

626,665 1,879,996 939,998 469,999 1,409,998 704,999 2,114,998 1,057,499 3,172,498 1,586,249 4,758,748 2,379,374 1,189,687 3,569,062 1,784,531 5,353,594 2,676,797 8,030,392 4,015,196 2,007,598 1,003,799 3,011,398 1,505,699 4,517,098 2,258,549 6,775,648 3,387,824 1,693,912 846,956 423,478 211,739 635,218 317,609 952,828 476,414 238,207 714,622 357,311 1,071,934 535,967 1,607,902 803,951 2,411,854 1,205,927 3,617,782 1,808,891 5,426,674 2,713,337 8,140,012 4,070,006 2,035,003 6,105,010 3,052,505 9,157,516 4,578,758 2,289,379 6,868,138 3,434,069 10,302,208 5,151,104

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