λ
Sigma Notebook

2,047,804

22 × 112 × 4231
Deficient Even Composite

2,047,804 is even and not a perfect square. Its factorization is 2^2 × 11^2 × 4231 and its 18 divisors sum to 3,939,992.

Prime Factor Structure

Factorization String 2^2 × 11^2 × 4231
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 18
Divisor Sum (σ) 3,939,992
Proper Divisor Sum 1,892,188
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #2047781 ← → #2047811

Radix Representation

Decimal 2047804
Binary 111110011111100111100 (21 bits)
Octal 0o7637474
Hexadecimal 0x1F3F3C

Divisor Catalog (18)

1 2 4 11 22 44 121 242 484 4,231 8,462 16,924 46,541 93,082 186,164 511,951 1,023,902 2,047,804

Collatz Trajectory (91 steps to reach 1)

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

2,047,804 1,023,902 511,951 1,535,854 767,927 2,303,782 1,151,891 3,455,674 1,727,837 5,183,512 2,591,756 1,295,878 647,939 1,943,818 971,909 2,915,728 1,457,864 728,932 364,466 182,233 546,700 273,350 136,675 410,026 205,013 615,040 307,520 153,760 76,880 38,440 19,220 9,610 4,805 14,416 7,208 3,604 1,802 901 2,704 1,352 676 338 169 508 254 127 382 191 574 287 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186

More profiles

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