991 × 1523

Prime Factor Structure

Factorization String 991 × 1523

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,511,808

Proper Divisor Sum 2,515

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #1509289 ← → #1509307

1 991 1,523 1,509,293

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

1,509,293 4,527,880 2,263,940 1,131,970 565,985 1,697,956 848,978 424,489 1,273,468 636,734 318,367 955,102 477,551 1,432,654 716,327 2,148,982 1,074,491 3,223,474 1,611,737 4,835,212 2,417,606 1,208,803 3,626,410 1,813,205 5,439,616 2,719,808 1,359,904 679,952 339,976 169,988 84,994 42,497 127,492 63,746 31,873 95,620 47,810 23,905 71,716 35,858 17,929 53,788 26,894 13,447 40,342 20,171 60,514 30,257 90,772 45,386 22,693 68,080 34,040 17,020 8,510 4,255 12,766 6,383 19,150 9,575

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