2 × 5 × 17 × 31 × 137

Prime Factor Structure

Factorization String 2 × 5 × 17 × 31 × 137

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,430,784

Proper Divisor Sum 708,794

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #721979 ← → #721991

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

721,990 360,995 1,082,986 541,493 1,624,480 812,240 406,120 203,060 101,530 50,765 152,296 76,148 38,074 19,037 57,112 28,556 14,278 7,139 21,418 10,709 32,128 16,064 8,032 4,016 2,008 1,004 502 251 754 377 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 2,051 6,154 3,077 9,232 4,616

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