5 × 128987

Prime Factor Structure

Factorization String 5 × 128987

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 773,928

Proper Divisor Sum 128,993

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #644933 ← → #644951

1 5 128,987 644,935

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

644,935 1,934,806 967,403 2,902,210 1,451,105 4,353,316 2,176,658 1,088,329 3,264,988 1,632,494 816,247 2,448,742 1,224,371 3,673,114 1,836,557 5,509,672 2,754,836 1,377,418 688,709 2,066,128 1,033,064 516,532 258,266 129,133 387,400 193,700 96,850 48,425 145,276 72,638 36,319 108,958 54,479 163,438 81,719 245,158 122,579 367,738 183,869 551,608 275,804 137,902 68,951 206,854 103,427 310,282 155,141 465,424 232,712 116,356 58,178 29,089 87,268 43,634 21,817 65,452 32,726 16,363 49,090 24,545

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