821 × 1289

Prime Factor Structure

Factorization String 821 × 1289

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,060,380

Proper Divisor Sum 2,111

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1058263 ← → #1058287

1 821 1,289 1,058,269

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

1,058,269 3,174,808 1,587,404 793,702 396,851 1,190,554 595,277 1,785,832 892,916 446,458 223,229 669,688 334,844 167,422 83,711 251,134 125,567 376,702 188,351 565,054 282,527 847,582 423,791 1,271,374 635,687 1,907,062 953,531 2,860,594 1,430,297 4,290,892 2,145,446 1,072,723 3,218,170 1,609,085 4,827,256 2,413,628 1,206,814 603,407 1,810,222 905,111 2,715,334 1,357,667 4,073,002 2,036,501 6,109,504 3,054,752 1,527,376 763,688 381,844 190,922 95,461 286,384 143,192 71,596 35,798 17,899 53,698 26,849 80,548 40,274

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