λ
Sigma Notebook

1,749,521

17 × 102913
Deficient Odd Composite

1,749,521 is odd and not a perfect square. Its factorization is 17 × 102913 and its 4 divisors sum to 1,852,452.

Prime Factor Structure

Factorization String 17 × 102913
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,852,452
Proper Divisor Sum 102,931
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #1749509 ← → #1749529

Radix Representation

Decimal 1749521
Binary 110101011001000010001 (21 bits)
Octal 0o6531021
Hexadecimal 0x1AB211

Divisor Catalog (4)

1 17 102,913 1,749,521

Collatz Trajectory (70 steps to reach 1)

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

1,749,521 5,248,564 2,624,282 1,312,141 3,936,424 1,968,212 984,106 492,053 1,476,160 738,080 369,040 184,520 92,260 46,130 23,065 69,196 34,598 17,299 51,898 25,949 77,848 38,924 19,462 9,731 29,194 14,597 43,792 21,896 10,948 5,474 2,737 8,212 4,106 2,053 6,160 3,080 1,540 770 385 1,156 578 289 868 434 217 652 326 163 490 245 736 368 184 92 46 23 70 35 106 53

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