400,021
307 × 1303
Deficient
Odd
Composite
400,021 factors as 307 × 1303. Its 4 positive divisors give a proper-divisor sum of 1,611, so this integer is deficient. The Collatz stopping time is 55 steps.
Prime Factor Structure
Factorization String
307 × 1303
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
401,632
Proper Divisor Sum
1,611
Digit Sum / Digital Root
7 (Root: 7)
Radix Representation
| Decimal | 400021 |
| Binary | 1100001101010010101 (19 bits) |
| Octal | 0o1415225 |
| Hexadecimal | 0x61A95 |
Divisor Catalog (4)
Collatz Trajectory (55 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
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