2,150,149
2150149
Deficient
Odd
Prime
2,150,149 has digital root 4. The neighboring primes are 2150131 and 2150171; its proper-divisor sum differs from the starting integer by -2,150,148.
Resources
Prime Factor Structure
Factorization String
2150149
Distinct Prime Factors
1
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
2
Divisor Sum (σ)
2,150,150
Proper Divisor Sum
1
Digit Sum / Digital Root
22 (Root: 4)
Adjacent Primes
#2150131 ← → #2150171
Radix Representation
| Decimal | 2150149 |
| Binary | 1000001100111100000101 (22 bits) |
| Octal | 0o10147405 |
| Hexadecimal | 0x20CF05 |
Divisor Catalog (2)
Collatz Trajectory (135 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.