1,258,709
1258709
Deficient
Odd
Prime
1,258,709 factors as 1258709. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 54 steps.
Resources
Prime Factor Structure
Factorization String
1258709
Distinct Prime Factors
1
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
2
Divisor Sum (σ)
1,258,710
Proper Divisor Sum
1
Digit Sum / Digital Root
32 (Root: 5)
Adjacent Primes
#1258681 ← → #1258711
Radix Representation
| Decimal | 1258709 |
| Binary | 100110011010011010101 (21 bits) |
| Octal | 0o4632325 |
| Hexadecimal | 0x1334D5 |
Divisor Catalog (2)
Collatz Trajectory (54 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.