521 × 2621

Prime Factor Structure

Factorization String 521 × 2621

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,368,684

Proper Divisor Sum 3,143

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #1365503 ← → #1365547

1 521 2,621 1,365,541

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

1,365,541 4,096,624 2,048,312 1,024,156 512,078 256,039 768,118 384,059 1,152,178 576,089 1,728,268 864,134 432,067 1,296,202 648,101 1,944,304 972,152 486,076 243,038 121,519 364,558 182,279 546,838 273,419 820,258 410,129 1,230,388 615,194 307,597 922,792 461,396 230,698 115,349 346,048 173,024 86,512 43,256 21,628 10,814 5,407 16,222 8,111 24,334 12,167 36,502 18,251 54,754 27,377 82,132 41,066 20,533 61,600 30,800 15,400 7,700 3,850 1,925 5,776 2,888 1,444

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