5² × 181 × 4721

Prime Factor Structure

Factorization String 5^2 × 181 × 4721

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 26,641,524

Proper Divisor Sum 5,278,999

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #21362521 ← → #21362527

1 5 25 181 905 4,525 4,721 23,605 118,025 854,501 4,272,505 21,362,525

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

21,362,525 64,087,576 32,043,788 16,021,894 8,010,947 24,032,842 12,016,421 36,049,264 18,024,632 9,012,316 4,506,158 2,253,079 6,759,238 3,379,619 10,138,858 5,069,429 15,208,288 7,604,144 3,802,072 1,901,036 950,518 475,259 1,425,778 712,889 2,138,668 1,069,334 534,667 1,604,002 802,001 2,406,004 1,203,002 601,501 1,804,504 902,252 451,126 225,563 676,690 338,345 1,015,036 507,518 253,759 761,278 380,639 1,141,918 570,959 1,712,878 856,439 2,569,318 1,284,659 3,853,978 1,926,989 5,780,968 2,890,484 1,445,242 722,621 2,167,864 1,083,932 541,966 270,983 812,950

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