λ
Sigma Notebook

8,224,642

2 × 4112321
Deficient Even Composite

8,224,642 is even and not a perfect square. Its factorization is 2 × 4112321 and its 4 divisors sum to 12,336,966.

Prime Factor Structure

Factorization String 2 × 4112321
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 12,336,966
Proper Divisor Sum 4,112,324
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #8224637 ← → #8224669

Radix Representation

Decimal 8224642
Binary 11111010111111110000010 (23 bits)
Octal 0o37277602
Hexadecimal 0x7D7F82

Divisor Catalog (4)

1 2 4,112,321 8,224,642

Collatz Trajectory (243 steps to reach 1)

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

8,224,642 4,112,321 12,336,964 6,168,482 3,084,241 9,252,724 4,626,362 2,313,181 6,939,544 3,469,772 1,734,886 867,443 2,602,330 1,301,165 3,903,496 1,951,748 975,874 487,937 1,463,812 731,906 365,953 1,097,860 548,930 274,465 823,396 411,698 205,849 617,548 308,774 154,387 463,162 231,581 694,744 347,372 173,686 86,843 260,530 130,265 390,796 195,398 97,699 293,098 146,549 439,648 219,824 109,912 54,956 27,478 13,739 41,218 20,609 61,828 30,914 15,457 46,372 23,186 11,593 34,780 17,390 8,695

More profiles

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