2,018,615
5 × 487 × 829
Deficient
Odd
Composite
2,018,615 has digital root 5. The neighboring primes are 2018593 and 2018623; its proper-divisor sum differs from the starting integer by -1,606,990.
Resources
Prime Factor Structure
Factorization String
5 × 487 × 829
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
2,430,240
Proper Divisor Sum
411,625
Digit Sum / Digital Root
23 (Root: 5)
Adjacent Primes
#2018593 ← → #2018623
Radix Representation
| Decimal | 2018615 |
| Binary | 111101100110100110111 (21 bits) |
| Octal | 0o7546467 |
| Hexadecimal | 0x1ECD37 |
Divisor Catalog (5 of 8)
Collatz Trajectory (91 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.