2² × 17 × 311

Prime Factor Structure

Factorization String 2^2 × 17 × 311

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 39,312

Proper Divisor Sum 18,164

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #21143 ← → #21149

1 2 4 17 34 68 311 622 1,244 5,287 10,574 21,148

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

21,148 10,574 5,287 15,862 7,931 23,794 11,897 35,692 17,846 8,923 26,770 13,385 40,156 20,078 10,039 30,118 15,059 45,178 22,589 67,768 33,884 16,942 8,471 25,414 12,707 38,122 19,061 57,184 28,592 14,296 7,148 3,574 1,787 5,362 2,681 8,044 4,022 2,011 6,034 3,017 9,052 4,526 2,263 6,790 3,395 10,186 5,093 15,280 7,640 3,820 1,910 955 2,866 1,433 4,300 2,150 1,075 3,226 1,613 4,840

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