2,109,140
22 × 5 × 11 × 9587
Abundant
Even
Composite
Starting at 2,109,140, the Collatz iteration reaches 1 after 127 steps. The first transition is 1054570; the starting value is even with 24 positive divisors.
Resources
Prime Factor Structure
Factorization String
2^2 × 5 × 11 × 9587
Distinct Prime Factors
4
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
24
Divisor Sum (σ)
4,832,352
Proper Divisor Sum
2,723,212
Digit Sum / Digital Root
17 (Root: 8)
Adjacent Primes
#2109127 ← → #2109161
Radix Representation
| Decimal | 2109140 |
| Binary | 1000000010111011010100 (22 bits) |
| Octal | 0o10027324 |
| Hexadecimal | 0x202ED4 |
Divisor Catalog (5 of 24)
Collatz Trajectory (127 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.