10840 is the number following 10839 and preceding 10841.
Properties[]
- Its factors are 1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420 and 10840, making it a composite number.[1][2][3]
- 10840 is an even number[4][5] .
- 10840 is an unhappy number.[6][7]
- 10840 is abundant.[8]
- Its prime factorization is 23 × 51 × 2711.
Approximations[]
| Notation | Lower bound | Upper bound | |
|---|---|---|---|
| Up-arrow notation | 104 ↑ 2 | ||
| Scientific notation | 1.084 x 104 | 1.085 x 104 | |
| Slow-growing hierarchy | \(g_{\omega^{\omega}}(5)\) | \(g_{\omega^{\omega}}(6)\) | |
| Copy notation | 9[4] | 1[5] | |
| Chained arrow notation | 104 → 2 | ||
| Bowers' Exploding Array Function/Bird's array notation | {104,2} | ||
| Fast-growing hierarchy | f2(10) | f2(11) | |
| Hardy hierarchy | Hω(5420) | Hω(5420) | |
| Middle-growing hierarchy | m(ω,13) | m(ω,14) | |
| Hyper-E notation | E4.035 | ||
| Hyper-E notation (non-10 base) | \(E[104]2\) | ||
| Hyperfactorial array notation | 7! | 8! | |
| X-Sequence Hyper-Exponential Notation | 104{1}2 | ||
| Steinhaus-Moser Notation | 5[3] | 6[3] | |
| PlantStar's Debut Notation | [2] | [3] | |
| H* function | H(0.3) | H(0.4) | |
| Bashicu matrix system with respect to version 4 | (0)[104] | (0)[105] | |
| m(n) map | m(1)(5) | m(1)(6) | |
| s(n) map | \(s(1)(\lambda x . x+1)(5419)\) | \(s(1)(\lambda x . x+1)(5420)\) | |
Sources[]
- ↑ OEIS A002808 - Composite numbers
- ↑ Wolfram Alpha Is 10840 composite?
- ↑ Wolfram Alpha 10840's factors
- ↑ OEIS A005843 - Even numbers
- ↑ Wolfram Alpha Is 10840 even?
- ↑ Wolfram Alpha Unhappy Numbers
- ↑ OEIS A031177 - Unhappy Numbers
- ↑ OEIS A005101 - Abundant numbers