2 × 5² × 7 × 61

Prime Factor Structure

Factorization String 2 × 5^2 × 7 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 46,128

Proper Divisor Sum 24,778

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #21347 ← → #21377

1 2 5 7 10 14 25 35 50 61 70 122 175 305 350 427 610 854 1,525 2,135 3,050 4,270 10,675 21,350

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

21,350 10,675 32,026 16,013 48,040 24,020 12,010 6,005 18,016 9,008 4,504 2,252 1,126 563 1,690 845 2,536 1,268 634 317 952 476 238 119 358 179 538 269 808 404 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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