| 1234321 | ||
|---|---|---|
| < 1234320 | ||
| 1234322 > | ||
1234321 is the number following 1234320 and preceding 1234322.
Properties
- Its factors are 1, 11, 101, 121, 1111, 10201, 12221, 112211 and 1234321, making it a composite number.[1][2][3] It is also a cubefree number.[4]
- 1234321 is an odd number[5][6] .
- 1234321 is a happy number.[7][8]
- 1234321 is a centered octagonal number.[9]
- 1234321 is deficient.[10]
- Its prime factorization is 112 × 1012.
- 1234321 is a palindromic number, meaning it is the same forwards and reverse.[11][12]
Approximations
| Notation | Lower bound | Upper bound | |
|---|---|---|---|
| Up-arrow notation | 1111 ↑ 2 | ||
| Scientific notation | 1.234 x 106 | ||
| Slow-growing hierarchy | \(g_{\omega^{\omega}}(7)\) | \(g_{\omega^{\omega}}(8)\) | |
| Chained arrow notation | 1111 → 2 | ||
| Bowers' Exploding Array Function/Bird's array notation | {1111,2} | ||
| Hardy hierarchy | Hω(617160) | Hω(617161) | |
| Middle-growing hierarchy | m(ω,20) | ||
| Hyper-E notation | E6.0914 | ||
| Hyper-E notation (non-10 base) | \(E[1111]2\) | ||
| X-Sequence Hyper-Exponential Notation | 1111{1}2 | ||
| PlantStar's Debut Notation | [3] | [4] | |
| H* function | H(1) | H(1.1) | |
| Bashicu matrix system with respect to version 4 | (0)[1111] | (0)[1111] | |
Sources
- ↑ OEIS A002808 - Composite numbers
- ↑ Wolfram Alpha Is 1234321 composite?
- ↑ Wolfram Alpha 1234321's factors
- ↑ OEIS A004709 - Cubefree numbers
- ↑ OEIS A005408 - Odd numbers
- ↑ Wolfram Alpha Is 1234321 odd?
- ↑ Wolfram Alpha Happy Numbers
- ↑ OEIS A007770 - Happy Numbers
- ↑ OEIS A016754 - Centered octagonal numbers
- ↑ OEIS A005100 - Deficient numbers
- ↑ Wolfram Alpha Is 1234321 a palindrome?
- ↑ OEIS A002113 - Palindromes