5² × 13 × 1999

Prime Factor Structure

Factorization String 5^2 × 13 × 1999

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 868,000

Proper Divisor Sum 218,325

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #649661 ← → #649697

1 5 13 25 65 325 1,999 9,995 25,987 49,975 129,935 649,675

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

649,675 1,949,026 974,513 2,923,540 1,461,770 730,885 2,192,656 1,096,328 548,164 274,082 137,041 411,124 205,562 102,781 308,344 154,172 77,086 38,543 115,630 57,815 173,446 86,723 260,170 130,085 390,256 195,128 97,564 48,782 24,391 73,174 36,587 109,762 54,881 164,644 82,322 41,161 123,484 61,742 30,871 92,614 46,307 138,922 69,461 208,384 104,192 52,096 26,048 13,024 6,512 3,256 1,628 814 407 1,222 611 1,834 917 2,752 1,376 688

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