7,137,225
32 × 52 × 31721
Deficient
Odd
Composite
7,137,225 factors as 3^2 × 5^2 × 31721. Its 18 positive divisors give a proper-divisor sum of 5,646,741, so this integer is deficient. The Collatz stopping time is 98 steps.
Resources
Prime Factor Structure
Factorization String
3^2 × 5^2 × 31721
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
18
Divisor Sum (σ)
12,783,966
Proper Divisor Sum
5,646,741
Digit Sum / Digital Root
27 (Root: 9)
Adjacent Primes
#7137209 ← → #7137259
Radix Representation
| Decimal | 7137225 |
| Binary | 11011001110011111001001 (23 bits) |
| Octal | 0o33163711 |
| Hexadecimal | 0x6CE7C9 |
Divisor Catalog (5 of 18)
Collatz Trajectory (98 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.