λ
Sigma Notebook

682,072

23 × 85259
Deficient Even Composite

682,072 is even and not a perfect square. Its factorization is 2^3 × 85259 and its 8 divisors sum to 1,278,900.

Prime Factor Structure

Factorization String 2^3 × 85259
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 1,278,900
Proper Divisor Sum 596,828
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #682069 ← → #682079

Radix Representation

Decimal 682072
Binary 10100110100001011000 (20 bits)
Octal 0o2464130
Hexadecimal 0xA6858

Divisor Catalog (8)

1 2 4 8 85,259 170,518 341,036 682,072

Collatz Trajectory (229 steps to reach 1)

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

682,072 341,036 170,518 85,259 255,778 127,889 383,668 191,834 95,917 287,752 143,876 71,938 35,969 107,908 53,954 26,977 80,932 40,466 20,233 60,700 30,350 15,175 45,526 22,763 68,290 34,145 102,436 51,218 25,609 76,828 38,414 19,207 57,622 28,811 86,434 43,217 129,652 64,826 32,413 97,240 48,620 24,310 12,155 36,466 18,233 54,700 27,350 13,675 41,026 20,513 61,540 30,770 15,385 46,156 23,078 11,539 34,618 17,309 51,928 25,964

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