2² × 67 × 821

Prime Factor Structure

Factorization String 2^2 × 67 × 821

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 391,272

Proper Divisor Sum 171,244

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #220021 ← → #220057

1 2 4 67 134 268 821 1,642 3,284 55,007 110,014 220,028

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

220,028 110,014 55,007 165,022 82,511 247,534 123,767 371,302 185,651 556,954 278,477 835,432 417,716 208,858 104,429 313,288 156,644 78,322 39,161 117,484 58,742 29,371 88,114 44,057 132,172 66,086 33,043 99,130 49,565 148,696 74,348 37,174 18,587 55,762 27,881 83,644 41,822 20,911 62,734 31,367 94,102 47,051 141,154 70,577 211,732 105,866 52,933 158,800 79,400 39,700 19,850 9,925 29,776 14,888 7,444 3,722 1,861 5,584 2,792 1,396

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