1,388,340
22 × 34 × 5 × 857
Abundant
Even
Composite
1,388,340 has the prime decomposition 2^2 × 3^4 × 5 × 857. Its 4 distinct prime factors produce 60 positive divisors.
Resources
Prime Factor Structure
Factorization String
2^2 × 3^4 × 5 × 857
Distinct Prime Factors
4
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
60
Divisor Sum (σ)
4,360,356
Proper Divisor Sum
2,972,016
Digit Sum / Digital Root
27 (Root: 9)
Adjacent Primes
#1388327 ← → #1388353
Radix Representation
| Decimal | 1388340 |
| Binary | 101010010111100110100 (21 bits) |
| Octal | 0o5227464 |
| Hexadecimal | 0x152F34 |
Divisor Catalog (5 of 60)
Collatz Trajectory (160 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.