1,380,123
32 × 89 × 1723
Deficient
Odd
Composite
1,380,123 has digital root 9. The neighboring primes are 1380083 and 1380149; its proper-divisor sum differs from the starting integer by -743,166.
Resources
Prime Factor Structure
Factorization String
3^2 × 89 × 1723
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
12
Divisor Sum (σ)
2,017,080
Proper Divisor Sum
636,957
Digit Sum / Digital Root
18 (Root: 9)
Adjacent Primes
#1380083 ← → #1380149
Radix Representation
| Decimal | 1380123 |
| Binary | 101010000111100011011 (21 bits) |
| Octal | 0o5207433 |
| Hexadecimal | 0x150F1B |
Divisor Catalog (5 of 12)
Collatz Trajectory (93 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.