21,456
24 × 32 × 149
Abundant
Even
Composite
Prime Factor Structure
Factorization String
2^4 × 3^2 × 149
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
30
Divisor Sum (σ)
60,450
Proper Divisor Sum
38,994
Digit Sum / Digital Root
18 (Root: 9)
Radix Representation
| Decimal | 21456 |
| Binary | 101001111010000 (15 bits) |
| Octal | 0o51720 |
| Hexadecimal | 0x53D0 |
Divisor Catalog (30)
Collatz Trajectory (74 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
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