λ
Sigma Notebook

781,099

11 × 17 × 4177
Deficient Odd Composite

781,099 is odd and not a perfect square. Its factorization is 11 × 17 × 4177 and its 8 divisors sum to 902,448.

Prime Factor Structure

Factorization String 11 × 17 × 4177
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 902,448
Proper Divisor Sum 121,349
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #781087 ← → #781111

Radix Representation

Decimal 781099
Binary 10111110101100101011 (20 bits)
Octal 0o2765453
Hexadecimal 0xBEB2B

Divisor Catalog (8)

1 11 17 187 4,177 45,947 71,009 781,099

Collatz Trajectory (180 steps to reach 1)

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

781,099 2,343,298 1,171,649 3,514,948 1,757,474 878,737 2,636,212 1,318,106 659,053 1,977,160 988,580 494,290 247,145 741,436 370,718 185,359 556,078 278,039 834,118 417,059 1,251,178 625,589 1,876,768 938,384 469,192 234,596 117,298 58,649 175,948 87,974 43,987 131,962 65,981 197,944 98,972 49,486 24,743 74,230 37,115 111,346 55,673 167,020 83,510 41,755 125,266 62,633 187,900 93,950 46,975 140,926 70,463 211,390 105,695 317,086 158,543 475,630 237,815 713,446 356,723 1,070,170

More profiles

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