λ
Sigma Notebook

3,898,641

3 × 367 × 3541
Deficient Odd Composite

3,898,641 is odd and not a perfect square. Its factorization is 3 × 367 × 3541 and its 8 divisors sum to 5,213,824.

Prime Factor Structure

Factorization String 3 × 367 × 3541
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 5,213,824
Proper Divisor Sum 1,315,183
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #3898639 ← → #3898651

Radix Representation

Decimal 3898641
Binary 1110110111110100010001 (22 bits)
Octal 0o16676421
Hexadecimal 0x3B7D11

Divisor Catalog (8)

1 3 367 1,101 3,541 10,623 1,299,547 3,898,641

Collatz Trajectory (154 steps to reach 1)

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

3,898,641 11,695,924 5,847,962 2,923,981 8,771,944 4,385,972 2,192,986 1,096,493 3,289,480 1,644,740 822,370 411,185 1,233,556 616,778 308,389 925,168 462,584 231,292 115,646 57,823 173,470 86,735 260,206 130,103 390,310 195,155 585,466 292,733 878,200 439,100 219,550 109,775 329,326 164,663 493,990 246,995 740,986 370,493 1,111,480 555,740 277,870 138,935 416,806 208,403 625,210 312,605 937,816 468,908 234,454 117,227 351,682 175,841 527,524 263,762 131,881 395,644 197,822 98,911 296,734 148,367

More profiles

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