| 1200012 | ||
|---|---|---|
| < 1200011 | ||
| 1200013 > | ||
1200012 is the number following 1200011 and preceding 1200013.
Properties
- Its factors are 1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 9091, 18182, 27273, 36364, 54546, 100001, 109092, 200002, 300003, 400004, 600006 and 1200012, making it a composite number.[1][2][3] It is also a cubefree number.[4]
- 1200012 is an even number[5][6] .
- 1200012 is a happy number.[7][8]
- 1200012 is abundant.[9]
- Its prime factorization is 22 × 31 × 111 × 90911.
- 1200012 is a Harshad number, meaning it is divisible by the sum of its digits.[10]
Approximations
| Notation | Lower bound | Upper bound | |
|---|---|---|---|
| Up-arrow notation | 1095 ↑ 2 | ||
| Scientific notation | 1.2 x 106 | ||
| Slow-growing hierarchy | \(g_{\omega^{\omega}}(7)\) | \(g_{\omega^{\omega}}(8)\) | |
| Chained arrow notation | 1095 → 2 | ||
| Bowers' Exploding Array Function/Bird's array notation | {1095,2} | ||
| Hardy hierarchy | Hω(600006) | Hω(600006) | |
| Middle-growing hierarchy | m(ω,20) | ||
| Hyper-E notation | E6.0792 | ||
| Hyper-E notation (non-10 base) | \(E[1095]2\) | ||
| X-Sequence Hyper-Exponential Notation | 1095{1}2 | ||
| PlantStar's Debut Notation | [3] | [4] | |
| H* function | H(1) | H(1.1) | |
| Bashicu matrix system with respect to version 4 | (0)[1095] | (0)[1096] | |
Sources
- ↑ OEIS A002808 - Composite numbers
- ↑ Wolfram Alpha Is 1200012 composite?
- ↑ Wolfram Alpha 1200012's factors
- ↑ OEIS A004709 - Cubefree numbers
- ↑ OEIS A005843 - Even numbers
- ↑ Wolfram Alpha Is 1200012 even?
- ↑ Wolfram Alpha Happy Numbers
- ↑ OEIS A007770 - Happy Numbers
- ↑ OEIS A005101 - Abundant numbers
- ↑ OEIS A005349 - Harshad numbers