257,124

2² × 3 × 7 × 3061

Prime Factor Structure

Factorization String 2^2 × 3 × 7 × 3061

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 24

Divisor Sum (σ) 685,888

Proper Divisor Sum 428,764

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #257123 ← → #257141

1 2 3 4 6 7 12 14 21 28 42 84 3,061 6,122 9,183 12,244 18,366 21,427 36,732 42,854 64,281 85,708 128,562 257,124

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

257,124 128,562 64,281 192,844 96,422 48,211 144,634 72,317 216,952 108,476 54,238 27,119 81,358 40,679 122,038 61,019 183,058 91,529 274,588 137,294 68,647 205,942 102,971 308,914 154,457 463,372 231,686 115,843 347,530 173,765 521,296 260,648 130,324 65,162 32,581 97,744 48,872 24,436 12,218 6,109 18,328 9,164 4,582 2,291 6,874 3,437 10,312 5,156 2,578 1,289 3,868 1,934 967 2,902 1,451 4,354 2,177 6,532 3,266 1,633

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