521 × 2237

Prime Factor Structure

Factorization String 521 × 2237

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,168,236

Proper Divisor Sum 2,759

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1165471 ← → #1165511

1 521 2,237 1,165,477

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

1,165,477 3,496,432 1,748,216 874,108 437,054 218,527 655,582 327,791 983,374 491,687 1,475,062 737,531 2,212,594 1,106,297 3,318,892 1,659,446 829,723 2,489,170 1,244,585 3,733,756 1,866,878 933,439 2,800,318 1,400,159 4,200,478 2,100,239 6,300,718 3,150,359 9,451,078 4,725,539 14,176,618 7,088,309 21,264,928 10,632,464 5,316,232 2,658,116 1,329,058 664,529 1,993,588 996,794 498,397 1,495,192 747,596 373,798 186,899 560,698 280,349 841,048 420,524 210,262 105,131 315,394 157,697 473,092 236,546 118,273 354,820 177,410 88,705 266,116

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