90,389
13 × 17 × 409
Deficient
Odd
Composite
90,389 factors as 13 × 17 × 409. Its 8 positive divisors give a proper-divisor sum of 12,931, so this integer is deficient. The Collatz stopping time is 40 steps.
Prime Factor Structure
Factorization String
13 × 17 × 409
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
103,320
Proper Divisor Sum
12,931
Digit Sum / Digital Root
29 (Root: 2)
Radix Representation
| Decimal | 90389 |
| Binary | 10110000100010101 (17 bits) |
| Octal | 0o260425 |
| Hexadecimal | 0x16115 |
Divisor Catalog (8)
Collatz Trajectory (40 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
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