2² × 19 × 47 × 61

Prime Factor Structure

Factorization String 2^2 × 19 × 47 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 416,640

Proper Divisor Sum 198,748

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #217859 ← → #217901

1 2 4 19 38 47 61 76 94 122 188 244 893 1,159 1,786 2,318 2,867 3,572 4,636 5,734 11,468 54,473 108,946 217,892

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

217,892 108,946 54,473 163,420 81,710 40,855 122,566 61,283 183,850 91,925 275,776 137,888 68,944 34,472 17,236 8,618 4,309 12,928 6,464 3,232 1,616 808 404 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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