7 × 13 × 631

Prime Factor Structure

Factorization String 7 × 13 × 631

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 70,784

Proper Divisor Sum 13,363

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #57413 ← → #57427

1 7 13 91 631 4,417 8,203 57,421

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

57,421 172,264 86,132 43,066 21,533 64,600 32,300 16,150 8,075 24,226 12,113 36,340 18,170 9,085 27,256 13,628 6,814 3,407 10,222 5,111 15,334 7,667 23,002 11,501 34,504 17,252 8,626 4,313 12,940 6,470 3,235 9,706 4,853 14,560 7,280 3,640 1,820 910 455 1,366 683 2,050 1,025 3,076 1,538 769 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122 61

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