A371847 Decimal expansion of 2^86243 - 1, the 28th Mersenne prime.

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

Offset: 25962

Author

Paolo Xausa, Apr 09 2024

Keywords

• nonn
• cons
• fini
• full

Comments

This prime has 25962 decimal digits and was discovered by David Slowinski in 1982.

Examples

			53692799550275632152233827799294530061102099404212...
		

Links

• Paolo Xausa, Table of n, a(n) for n = 25962..51923
• GIMPS, List of Known Mersenne Prime Numbers.
• OEIS Wiki, Mersenne primes (with a list of similar sequences).
• Wikipedia, Mersenne prime.

Crossrefs

Cf. A000043 (exponents), A000668, A028335 (lengths).

Cf. decimal expansion of Mersenne primes: see OEIS Wiki link.

Programs

Mathematica

IntegerDigits[2^86243 - 1][[;;100]]