77,561
112 × 641
Deficient
Odd
Composite
Prime Factor Structure
Factorization String
11^2 × 641
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
6
Divisor Sum (σ)
85,386
Proper Divisor Sum
7,825
Digit Sum / Digital Root
26 (Root: 8)
Radix Representation
| Decimal | 77561 |
| Binary | 10010111011111001 (17 bits) |
| Octal | 0o227371 |
| Hexadecimal | 0x12EF9 |
Divisor Catalog (6)
Collatz Trajectory (76 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
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