3³ × 13² × 151

Prime Factor Structure

Factorization String 3^3 × 13^2 × 151

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,112,640

Proper Divisor Sum 423,627

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #688999 ← → #689021

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

689,013 2,067,040 1,033,520 516,760 258,380 129,190 64,595 193,786 96,893 290,680 145,340 72,670 36,335 109,006 54,503 163,510 81,755 245,266 122,633 367,900 183,950 91,975 275,926 137,963 413,890 206,945 620,836 310,418 155,209 465,628 232,814 116,407 349,222 174,611 523,834 261,917 785,752 392,876 196,438 98,219 294,658 147,329 441,988 220,994 110,497 331,492 165,746 82,873 248,620 124,310 62,155 186,466 93,233 279,700 139,850 69,925 209,776 104,888 52,444 26,222

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