261,407
261407
Deficient
Odd
Prime
261,407 factors as 261407. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 194 steps.
Resources
Prime Factor Structure
Factorization String
261407
Distinct Prime Factors
1
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
2
Divisor Sum (σ)
261,408
Proper Divisor Sum
1
Digit Sum / Digital Root
20 (Root: 2)
Adjacent Primes
#261389 ← → #261427
Radix Representation
| Decimal | 261407 |
| Binary | 111111110100011111 (18 bits) |
| Octal | 0o776437 |
| Hexadecimal | 0x3FD1F |
Divisor Catalog (2)
Collatz Trajectory (194 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.