421,209
32 × 17 × 2753
Deficient
Odd
Composite
For 421,209, the 12 positive divisors have a total of 644,436. Removing 421,209 leaves 223,227, which gives the deficient classification.
Resources
Prime Factor Structure
Factorization String
3^2 × 17 × 2753
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
12
Divisor Sum (σ)
644,436
Proper Divisor Sum
223,227
Digit Sum / Digital Root
18 (Root: 9)
Adjacent Primes
#421207 ← → #421241
Radix Representation
| Decimal | 421209 |
| Binary | 1100110110101011001 (19 bits) |
| Octal | 0o1466531 |
| Hexadecimal | 0x66D59 |
Divisor Catalog (5 of 12)
Collatz Trajectory (205 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
Showing the first 5 trajectory entries; the stopping-time total above is unchanged.