2 × 5² × 21397

Prime Factor Structure

Factorization String 2 × 5^2 × 21397

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,990,014

Proper Divisor Sum 920,164

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #1069823 ← → #1069853

1 2 5 10 25 50 21,397 42,794 106,985 213,970 534,925 1,069,850

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

1,069,850 534,925 1,604,776 802,388 401,194 200,597 601,792 300,896 150,448 75,224 37,612 18,806 9,403 28,210 14,105 42,316 21,158 10,579 31,738 15,869 47,608 23,804 11,902 5,951 17,854 8,927 26,782 13,391 40,174 20,087 60,262 30,131 90,394 45,197 135,592 67,796 33,898 16,949 50,848 25,424 12,712 6,356 3,178 1,589 4,768 2,384 1,192 596 298 149 448 224 112 56 28 14 7 22 11 34

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