622,421
17 × 19 × 41 × 47
Deficient
Odd
Composite
Starting at 622,421, the Collatz iteration reaches 1 after 172 steps. The first transition is 1867264; the starting value is odd with 16 positive divisors.
Resources
Prime Factor Structure
Factorization String
17 × 19 × 41 × 47
Distinct Prime Factors
4
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
16
Divisor Sum (σ)
725,760
Proper Divisor Sum
103,339
Digit Sum / Digital Root
17 (Root: 8)
Adjacent Primes
#622399 ← → #622423
Radix Representation
| Decimal | 622421 |
| Binary | 10010111111101010101 (20 bits) |
| Octal | 0o2277525 |
| Hexadecimal | 0x97F55 |
Divisor Catalog (5 of 16)
Collatz Trajectory (172 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.