2² × 5² × 215801

Prime Factor Structure

Factorization String 2^2 × 5^2 × 215801

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 46,829,034

Proper Divisor Sum 25,248,934

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #21580079 ← → #21580127

1 2 4 5 10 20 25 50 100 215,801 431,602 863,204 1,079,005 2,158,010 4,316,020 5,395,025 10,790,050 21,580,100

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

21,580,100 10,790,050 5,395,025 16,185,076 8,092,538 4,046,269 12,138,808 6,069,404 3,034,702 1,517,351 4,552,054 2,276,027 6,828,082 3,414,041 10,242,124 5,121,062 2,560,531 7,681,594 3,840,797 11,522,392 5,761,196 2,880,598 1,440,299 4,320,898 2,160,449 6,481,348 3,240,674 1,620,337 4,861,012 2,430,506 1,215,253 3,645,760 1,822,880 911,440 455,720 227,860 113,930 56,965 170,896 85,448 42,724 21,362 10,681 32,044 16,022 8,011 24,034 12,017 36,052 18,026 9,013 27,040 13,520 6,760 3,380 1,690 845 2,536 1,268 634

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