8,130,980
22 × 5 × 11 × 13 × 2843
Abundant
Even
Composite
Starting at 8,130,980, the Collatz iteration reaches 1 after 85 steps. The first transition is 4065490; the starting value is even with 48 positive divisors.
Resources
Prime Factor Structure
Factorization String
2^2 × 5 × 11 × 13 × 2843
Distinct Prime Factors
5
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
48
Divisor Sum (σ)
20,067,264
Proper Divisor Sum
11,936,284
Digit Sum / Digital Root
29 (Root: 2)
Adjacent Primes
#8130977 ← → #8130989
Radix Representation
| Decimal | 8130980 |
| Binary | 11111000001000110100100 (23 bits) |
| Octal | 0o37010644 |
| Hexadecimal | 0x7C11A4 |
Divisor Catalog (5 of 48)
Collatz Trajectory (85 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.