428,429
428429
Deficient
Odd
Prime
For 428,429, the 2 positive divisors have a total of 428,430. Removing 428,429 leaves 1, which gives the deficient classification.
Resources
Prime Factor Structure
Factorization String
428429
Distinct Prime Factors
1
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
2
Divisor Sum (σ)
428,430
Proper Divisor Sum
1
Digit Sum / Digital Root
29 (Root: 2)
Adjacent Primes
#428411 ← → #428471
Radix Representation
| Decimal | 428429 |
| Binary | 1101000100110001101 (19 bits) |
| Octal | 0o1504615 |
| Hexadecimal | 0x6898D |
Divisor Catalog (2)
Collatz Trajectory (73 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.