2² × 5 × 11 × 1409

Prime Factor Structure

Factorization String 2^2 × 5 × 11 × 1409

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 710,640

Proper Divisor Sum 400,660

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #309977 ← → #309989

1 2 4 5 10 11 20 22 44 55 110 220 1,409 2,818 5,636 7,045 14,090 15,499 28,180 30,998 61,996 77,495 154,990 309,980

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

309,980 154,990 77,495 232,486 116,243 348,730 174,365 523,096 261,548 130,774 65,387 196,162 98,081 294,244 147,122 73,561 220,684 110,342 55,171 165,514 82,757 248,272 124,136 62,068 31,034 15,517 46,552 23,276 11,638 5,819 17,458 8,729 26,188 13,094 6,547 19,642 9,821 29,464 14,732 7,366 3,683 11,050 5,525 16,576 8,288 4,144 2,072 1,036 518 259 778 389 1,168 584 292 146 73 220 110 55

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