4,002,146
2 × 2001073
Deficient
Even
Composite
4,002,146 has digital root 8. The neighboring primes are 4002143 and 4002169; its proper-divisor sum differs from the starting integer by -2,001,070.
Prime Factor Structure
Factorization String
2 × 2001073
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
6,003,222
Proper Divisor Sum
2,001,076
Digit Sum / Digital Root
17 (Root: 8)
Adjacent Primes
#4002143 ← → #4002169
Radix Representation
| Decimal | 4002146 |
| Binary | 1111010001000101100010 (22 bits) |
| Octal | 0o17210542 |
| Hexadecimal | 0x3D1162 |
Divisor Catalog (4)
Collatz Trajectory (366 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):