λ
Sigma Notebook

4,169,621

4169621
Deficient Odd Prime

4,169,621 is odd and not a perfect square. Its factorization is 4169621 and its 2 divisors sum to 4,169,622.

Prime Factor Structure

Factorization String 4169621
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 4,169,622
Proper Divisor Sum 1
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #4169609 ← → #4169623

Radix Representation

Decimal 4169621
Binary 1111111001111110010101 (22 bits)
Octal 0o17717625
Hexadecimal 0x3F9F95

Divisor Catalog (2)

Collatz Trajectory (110 steps to reach 1)

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

4,169,621 12,508,864 6,254,432 3,127,216 1,563,608 781,804 390,902 195,451 586,354 293,177 879,532 439,766 219,883 659,650 329,825 989,476 494,738 247,369 742,108 371,054 185,527 556,582 278,291 834,874 417,437 1,252,312 626,156 313,078 156,539 469,618 234,809 704,428 352,214 176,107 528,322 264,161 792,484 396,242 198,121 594,364 297,182 148,591 445,774 222,887 668,662 334,331 1,002,994 501,497 1,504,492 752,246 376,123 1,128,370 564,185 1,692,556 846,278 423,139 1,269,418 634,709 1,904,128 952,064

More profiles

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