2² × 7² × 1129

Prime Factor Structure

Factorization String 2^2 × 7^2 × 1129

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 450,870

Proper Divisor Sum 229,586

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #221281 ← → #221303

1 2 4 7 14 28 49 98 196 1,129 2,258 4,516 7,903 15,806 31,612 55,321 110,642 221,284

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

221,284 110,642 55,321 165,964 82,982 41,491 124,474 62,237 186,712 93,356 46,678 23,339 70,018 35,009 105,028 52,514 26,257 78,772 39,386 19,693 59,080 29,540 14,770 7,385 22,156 11,078 5,539 16,618 8,309 24,928 12,464 6,232 3,116 1,558 779 2,338 1,169 3,508 1,754 877 2,632 1,316 658 329 988 494 247 742 371 1,114 557 1,672 836 418 209 628 314 157 472 236

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