A351215 -id:A351215 - cp's OEIS frontend

A351216 Decimal expansion of the 19th root of 3.

1, 0, 5, 9, 5, 2, 6, 0, 6, 4, 7, 3, 8, 2, 7, 5, 2, 0, 2, 6, 4, 1, 5, 3, 9, 1, 8, 0, 4, 8, 5, 2, 1, 7, 1, 7, 1, 1, 3, 4, 6, 9, 6, 9, 2, 5, 7, 9, 7, 5, 8, 0, 0, 6, 2, 1, 0, 3, 3, 5, 9, 4, 3, 3, 5, 5, 4, 4, 1, 9, 2, 8, 8, 1, 4, 4, 6, 2, 3, 6, 7, 4, 9, 7, 0, 9, 0, 1, 8, 5, 6, 9, 3, 1, 7, 7, 5, 1, 0, 7, 6, 4, 5, 1, 5

Offset: 1

Mark Andreas, Apr 22 2022

			1.0595260647382752026415391804852171711346969...

Cf. A351211 (14th root), A351212 (15th root), A351213 (16th root), A351214 (17th root), A351215 (18th root).

Maple
```
Digits:=100: evalf(3^(1/19));
```
Mathematica
```
RealDigits[3^(1/19), 10, 108][[1]]
```
PARI
```
sqrtn(3,19)
```

Equals 3^(1/19).

A351217 Decimal expansion of the 20th root of 3.

Original entry on oeis.org

1, 0, 5, 6, 4, 6, 7, 3, 0, 8, 5, 4, 9, 5, 3, 7, 8, 6, 1, 3, 9, 3, 3, 5, 1, 4, 5, 2, 9, 8, 8, 0, 3, 4, 2, 6, 2, 8, 5, 0, 5, 7, 3, 1, 0, 3, 1, 0, 0, 5, 3, 3, 7, 3, 1, 0, 8, 9, 9, 7, 5, 7, 5, 0, 8, 0, 8, 5, 8, 2, 4, 1, 3, 3, 9, 9, 9, 3, 9, 3, 9, 6, 0, 0, 7, 4, 8, 3, 0, 3, 7, 0, 1, 4, 4, 2, 2, 4, 4, 1, 5, 8, 2, 4, 3

Offset: 1

Mark Andreas, Apr 22 2022

			1.0564673085495378613933514529880342628505731...

Cf. A351212 (15th root), A351213 (16th root), A351214 (17th root), A351215 (18th root), A351216 (19th root).

Maple
```
Digits:=100: evalf(3^(1/20));
```

RealDigits[3^(1/20), 10, 108][[1]]
RealDigits[Surd[3,20],10,120][[1]] (* Harvey P. Dale, May 28 2025 *)

PARI
```
sqrtn(3,20)
```

Equals 3^(1/20) = A246711^(1/2).

cp's OEIS Frontend

A351216 Decimal expansion of the 19th root of 3.

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