1,216,353
3 × 373 × 1087
Deficient
Odd
Composite
Starting at 1,216,353, the Collatz iteration reaches 1 after 173 steps. The first transition is 3649060; the starting value is odd with 8 positive divisors.
Resources
Prime Factor Structure
Factorization String
3 × 373 × 1087
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
1,627,648
Proper Divisor Sum
411,295
Digit Sum / Digital Root
21 (Root: 3)
Adjacent Primes
#1216351 ← → #1216373
Radix Representation
| Decimal | 1216353 |
| Binary | 100101000111101100001 (21 bits) |
| Octal | 0o4507541 |
| Hexadecimal | 0x128F61 |
Divisor Catalog (5 of 8)
Collatz Trajectory (173 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.