5² × 13 × 1229

Prime Factor Structure

Factorization String 5^2 × 13 × 1229

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 533,820

Proper Divisor Sum 134,395

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #399409 ← → #399433

1 5 13 25 65 325 1,229 6,145 15,977 30,725 79,885 399,425

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

399,425 1,198,276 599,138 299,569 898,708 449,354 224,677 674,032 337,016 168,508 84,254 42,127 126,382 63,191 189,574 94,787 284,362 142,181 426,544 213,272 106,636 53,318 26,659 79,978 39,989 119,968 59,984 29,992 14,996 7,498 3,749 11,248 5,624 2,812 1,406 703 2,110 1,055 3,166 1,583 4,750 2,375 7,126 3,563 10,690 5,345 16,036 8,018 4,009 12,028 6,014 3,007 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227

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