λ
Sigma Notebook

3,959,737

131 × 167 × 181
Deficient Odd Composite

3,959,737 is odd and not a perfect square. Its factorization is 131 × 167 × 181 and its 8 divisors sum to 4,036,032.

Prime Factor Structure

Factorization String 131 × 167 × 181
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 4,036,032
Proper Divisor Sum 76,295
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #3959729 ← → #3959801

Radix Representation

Decimal 3959737
Binary 1111000110101110111001 (22 bits)
Octal 0o17065671
Hexadecimal 0x3C6BB9

Divisor Catalog (8)

1 131 167 181 21,877 23,711 30,227 3,959,737

Collatz Trajectory (123 steps to reach 1)

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

3,959,737 11,879,212 5,939,606 2,969,803 8,909,410 4,454,705 13,364,116 6,682,058 3,341,029 10,023,088 5,011,544 2,505,772 1,252,886 626,443 1,879,330 939,665 2,818,996 1,409,498 704,749 2,114,248 1,057,124 528,562 264,281 792,844 396,422 198,211 594,634 297,317 891,952 445,976 222,988 111,494 55,747 167,242 83,621 250,864 125,432 62,716 31,358 15,679 47,038 23,519 70,558 35,279 105,838 52,919 158,758 79,379 238,138 119,069 357,208 178,604 89,302 44,651 133,954 66,977 200,932 100,466 50,233 150,700

More profiles

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