5² × 845303

Prime Factor Structure

Factorization String 5^2 × 845303

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 26,204,424

Proper Divisor Sum 5,071,849

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #21132571 ← → #21132599

1 5 25 845,303 4,226,515 21,132,575

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

21,132,575 63,397,726 31,698,863 95,096,590 47,548,295 142,644,886 71,322,443 213,967,330 106,983,665 320,950,996 160,475,498 80,237,749 240,713,248 120,356,624 60,178,312 30,089,156 15,044,578 7,522,289 22,566,868 11,283,434 5,641,717 16,925,152 8,462,576 4,231,288 2,115,644 1,057,822 528,911 1,586,734 793,367 2,380,102 1,190,051 3,570,154 1,785,077 5,355,232 2,677,616 1,338,808 669,404 334,702 167,351 502,054 251,027 753,082 376,541 1,129,624 564,812 282,406 141,203 423,610 211,805 635,416 317,708 158,854 79,427 238,282 119,141 357,424 178,712 89,356 44,678 22,339

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