λ
Sigma Notebook

8,540,131

331 × 25801
Deficient Odd Composite

8,540,131 is odd and not a perfect square. Its factorization is 331 × 25801 and its 4 divisors sum to 8,566,264.

Prime Factor Structure

Factorization String 331 × 25801
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 8,566,264
Proper Divisor Sum 26,133
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #8540117 ← → #8540141

Radix Representation

Decimal 8540131
Binary 100000100100111111100011 (24 bits)
Octal 0o40447743
Hexadecimal 0x824FE3

Divisor Catalog (4)

1 331 25,801 8,540,131

Collatz Trajectory (124 steps to reach 1)

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

8,540,131 25,620,394 12,810,197 38,430,592 19,215,296 9,607,648 4,803,824 2,401,912 1,200,956 600,478 300,239 900,718 450,359 1,351,078 675,539 2,026,618 1,013,309 3,039,928 1,519,964 759,982 379,991 1,139,974 569,987 1,709,962 854,981 2,564,944 1,282,472 641,236 320,618 160,309 480,928 240,464 120,232 60,116 30,058 15,029 45,088 22,544 11,272 5,636 2,818 1,409 4,228 2,114 1,057 3,172 1,586 793 2,380 1,190 595 1,786 893 2,680 1,340 670 335 1,006 503 1,510

More profiles

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