| 78125
< 78124 | 78126 > |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| All Numbers | |||||||||
| 78100 | 78101 | 78102 | 78103 | 78104 | 78105 | 78106 | 78107 | 78108 | 78109 |
| 78110 | 78111 | 78112 | 78113 | 78114 | 78115 | 78116 | 78117 | 78118 | 78119 |
| 78120 | 78121 | 78122 | 78123 | 78124 | 78125 | 78126 | 78127 | 78128 | 78129 |
| 78130 | 78131 | 78132 | 78133 | 78134 | 78135 | 78136 | 78137 | 78138 | 78139 |
| 78140 | 78141 | 78142 | 78143 | 78144 | 78145 | 78146 | 78147 | 78148 | 78149 |
| 78150 | 78151 | 78152 | 78153 | 78154 | 78155 | 78156 | 78157 | 78158 | 78159 |
| 78160 | 78161 | 78162 | 78163 | 78164 | 78165 | 78166 | 78167 | 78168 | 78169 |
| 78170 | 78171 | 78172 | 78173 | 78174 | 78175 | 78176 | 78177 | 78178 | 78179 |
| 78180 | 78181 | 78182 | 78183 | 78184 | 78185 | 78186 | 78187 | 78188 | 78189 |
| 78190 | 78191 | 78192 | 78193 | 78194 | 78195 | 78196 | 78197 | 78198 | 78199 |
78125 is the number following 78124 and preceding 78126.
Properties
- Its factors are 1, 5, 25, 125, 625, 3125, 15625 and 78125, making it a composite number.[1][2][3]
- 78125 is an odd number[4][5] .
- 78125 is an unhappy number.[6][7]
- 78125 is deficient.[8]
- Its prime factorization is 57.
Approximations
| Notation | Lower bound | Upper bound | |
|---|---|---|---|
| Up-arrow notation | 280 ↑ 2 | ||
| Scientific notation | 7.813 x 104 | 7.814 x 104 | |
| Slow-growing hierarchy | \(g_{\omega^{\omega}}(6)\) | \(g_{\omega^{\omega}}(7)\) | |
| Copy notation | 7[5] | 8[5] | |
| Chained arrow notation | 280 → 2 | ||
| Bowers' Exploding Array Function/Bird's array notation | {280,2} | ||
| Fast-growing hierarchy | f2(12) | f2(13) | |
| Hardy hierarchy | Hω(39062) | Hω(39063) | |
| Middle-growing hierarchy | m(ω,16) | m(ω,17) | |
| Hyper-E notation | E4.8928 | ||
| Hyper-E notation (non-10 base) | \(E[280]2\) | ||
| Hyperfactorial array notation | 8! | 9! | |
| X-Sequence Hyper-Exponential Notation | 280{1}2 | ||
| Steinhaus-Moser Notation | 6[3] | 7[3] | |
| PlantStar's Debut Notation | [2] | [3] | |
| H* function | H(0.6) | H(0.7) | |
| Bashicu matrix system with respect to version 4 | (0)[279] | (0)[280] | |
| m(n) map | m(1)(6) | m(1)(7) | |
| s(n) map | \(s(1)(\lambda x . x+1)(39061)\) | \(s(1)(\lambda x . x+1)(39062)\) | |
Sources
- ↑ OEIS A002808 - Composite numbers
- ↑ Wolfram Alpha Is 78125 composite?
- ↑ Wolfram Alpha 78125's factors
- ↑ OEIS A005408 - Odd numbers
- ↑ Wolfram Alpha Is 78125 odd?
- ↑ Wolfram Alpha Unhappy Numbers
- ↑ OEIS A031177 - Unhappy Numbers
- ↑ OEIS A005100 - Deficient numbers