212,787
34 × 37 × 71
Deficient
Odd
Composite
212,787 factors as 3^4 × 37 × 71. Its 20 positive divisors give a proper-divisor sum of 118,269, so this integer is deficient. The Collatz stopping time is 98 steps.
Prime Factor Structure
Factorization String
3^4 × 37 × 71
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
20
Divisor Sum (σ)
331,056
Proper Divisor Sum
118,269
Digit Sum / Digital Root
27 (Root: 9)
Radix Representation
| Decimal | 212787 |
| Binary | 110011111100110011 (18 bits) |
| Octal | 0o637463 |
| Hexadecimal | 0x33F33 |
Divisor Catalog (20)
Collatz Trajectory (98 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
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