31 × 73 × 283

Prime Factor Structure

Factorization String 31 × 73 × 283

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 672,512

Proper Divisor Sum 32,083

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #640421 ← → #640457

1 31 73 283 2,263 8,773 20,659 640,429

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

640,429 1,921,288 960,644 480,322 240,161 720,484 360,242 180,121 540,364 270,182 135,091 405,274 202,637 607,912 303,956 151,978 75,989 227,968 113,984 56,992 28,496 14,248 7,124 3,562 1,781 5,344 2,672 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102

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