13 × 23 × 29 × 71

Prime Factor Structure

Factorization String 13 × 23 × 29 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 725,760

Proper Divisor Sum 110,119

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #615623 ← → #615661

1 13 23 29 71 299 377 667 923 1,633 2,059 8,671 21,229 26,767 47,357 615,641

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

615,641 1,846,924 923,462 461,731 1,385,194 692,597 2,077,792 1,038,896 519,448 259,724 129,862 64,931 194,794 97,397 292,192 146,096 73,048 36,524 18,262 9,131 27,394 13,697 41,092 20,546 10,273 30,820 15,410 7,705 23,116 11,558 5,779 17,338 8,669 26,008 13,004 6,502 3,251 9,754 4,877 14,632 7,316 3,658 1,829 5,488 2,744 1,372 686 343 1,030 515 1,546 773 2,320 1,160 580 290 145 436 218 109

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