| 1111111 | ||
|---|---|---|
| < 1111110 | ||
| 1111112 > | ||
1111111 is the number following 1111110 and preceding 1111112.
Properties[]
- Its factors are 1, 239, 4649 and 1111111, making it a composite number.[1][2][3] It is also a squarefree number.[4]
- 1111111 is an odd number[5][6] .
- 1111111 is a happy number.[7][8]
- 1111111 is deficient.[9]
- Its prime factorization is 2391 × 46491.
- 1111111 is a repdigit number, meaning it consists of one digit.[10]
Approximations[]
| Notation | Lower bound | Upper bound | |
|---|---|---|---|
| Up-arrow notation | 1054 ↑ 2 | ||
| Scientific notation | 1.111 x 106 | ||
| Slow-growing hierarchy | \(g_{\omega^{\omega}}(7)\) | \(g_{\omega^{\omega}}(8)\) | |
| Chained arrow notation | 1054 → 2 | ||
| Bowers' Exploding Array Function/Bird's array notation | {1054,2} | ||
| Hardy hierarchy | Hω(555555) | Hω(555556) | |
| Middle-growing hierarchy | m(ω,20) | ||
| Hyper-E notation | E6.0458 | ||
| Hyper-E notation (non-10 base) | \(E[1054]2\) | ||
| X-Sequence Hyper-Exponential Notation | 1054{1}2 | ||
| PlantStar's Debut Notation | [3] | [4] | |
| H* function | H(1) | H(1.1) | |
| Bashicu matrix system with respect to version 4 | (0)[1054] | (0)[1055] | |
Sources[]
- ↑ OEIS A002808 - Composite numbers
- ↑ Wolfram Alpha Is 1111111 composite?
- ↑ Wolfram Alpha 1111111's factors
- ↑ OEIS A005117 - Squarefree numbers
- ↑ OEIS A005408 - Odd numbers
- ↑ Wolfram Alpha Is 1111111 odd?
- ↑ Wolfram Alpha Happy Numbers
- ↑ OEIS A007770 - Happy Numbers
- ↑ OEIS A005100 - Deficient numbers
- ↑ OEIS A010785 - Repdigit numbers