2,155,120
24 × 5 × 11 × 31 × 79
Abundant
Even
Composite
2,155,120 has the prime decomposition 2^4 × 5 × 11 × 31 × 79. Its 5 distinct prime factors produce 80 positive divisors.
Resources
Prime Factor Structure
Factorization String
2^4 × 5 × 11 × 31 × 79
Distinct Prime Factors
5
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
80
Divisor Sum (σ)
5,713,920
Proper Divisor Sum
3,558,800
Digit Sum / Digital Root
16 (Root: 7)
Adjacent Primes
#2155103 ← → #2155121
Radix Representation
| Decimal | 2155120 |
| Binary | 1000001110001001110000 (22 bits) |
| Octal | 0o10161160 |
| Hexadecimal | 0x20E270 |
Divisor Catalog (5 of 80)
Collatz Trajectory (104 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.