625,149
32 × 7 × 9923
Deficient
Odd
Composite
625,149 has digital root 9. The neighboring primes are 625133 and 625169; its proper-divisor sum differs from the starting integer by -218,202.
Resources
Prime Factor Structure
Factorization String
3^2 × 7 × 9923
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
12
Divisor Sum (σ)
1,032,096
Proper Divisor Sum
406,947
Digit Sum / Digital Root
27 (Root: 9)
Adjacent Primes
#625133 ← → #625169
Radix Representation
| Decimal | 625149 |
| Binary | 10011000100111111101 (20 bits) |
| Octal | 0o2304775 |
| Hexadecimal | 0x989FD |
Divisor Catalog (5 of 12)
Collatz Trajectory (172 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.