2² × 211 × 263

Prime Factor Structure

Factorization String 2^2 × 211 × 263

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 391,776

Proper Divisor Sum 169,804

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #221957 ← → #221987

1 2 4 211 263 422 526 844 1,052 55,493 110,986 221,972

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

221,972 110,986 55,493 166,480 83,240 41,620 20,810 10,405 31,216 15,608 7,804 3,902 1,951 5,854 2,927 8,782 4,391 13,174 6,587 19,762 9,881 29,644 14,822 7,411 22,234 11,117 33,352 16,676 8,338 4,169 12,508 6,254 3,127 9,382 4,691 14,074 7,037 21,112 10,556 5,278 2,639 7,918 3,959 11,878 5,939 17,818 8,909 26,728 13,364 6,682 3,341 10,024 5,012 2,506 1,253 3,760 1,880 940 470 235

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