1,420,815
3 × 5 × 11 × 79 × 109
Deficient
Odd
Composite
1,420,815 factors as 3 × 5 × 11 × 79 × 109. Its 32 positive divisors give a proper-divisor sum of 1,113,585, so this integer is deficient. The Collatz stopping time is 212 steps.
Resources
Prime Factor Structure
Factorization String
3 × 5 × 11 × 79 × 109
Distinct Prime Factors
5
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
32
Divisor Sum (σ)
2,534,400
Proper Divisor Sum
1,113,585
Digit Sum / Digital Root
21 (Root: 3)
Adjacent Primes
#1420807 ← → #1420817
Radix Representation
| Decimal | 1420815 |
| Binary | 101011010111000001111 (21 bits) |
| Octal | 0o5327017 |
| Hexadecimal | 0x15AE0F |
Divisor Catalog (5 of 32)
Collatz Trajectory (212 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.