λ
Integer Codex

1,801,994

2 × 900997
Deficient Even Composite

For 1,801,994, the 4 positive divisors have a total of 2,702,994. Removing 1,801,994 leaves 901,000, which gives the deficient classification.

Prime Factor Structure

Factorization String 2 × 900997
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,702,994
Proper Divisor Sum 901,000
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #1801967 ← → #1801997

Radix Representation

Decimal 1801994
Binary 110110111111100001010 (21 bits)
Octal 0o6677412
Hexadecimal 0x1B7F0A

Divisor Catalog (4)

1 2 900,997 1,801,994

Collatz Trajectory (88 steps to reach 1)

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

1,801,994 900,997 2,702,992 1,351,496 675,748 337,874 168,937 506,812 253,406 126,703 380,110 190,055 570,166 285,083 855,250 427,625 1,282,876 641,438 320,719 962,158 481,079 1,443,238 721,619 2,164,858 1,082,429 3,247,288 1,623,644 811,822 405,911 1,217,734 608,867 1,826,602 913,301 2,739,904 1,369,952 684,976 342,488 171,244 85,622 42,811 128,434 64,217 192,652 96,326 48,163 144,490 72,245 216,736 108,368 54,184 27,092 13,546 6,773 20,320 10,160 5,080 2,540 1,270 635 1,906

More profiles

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