Properties of the Number -8159

One Hundred Fifty-Nine

Basics

Value: -8160 → -8159 → -8158

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 41 × 199

Divisors: 1, 41, 199, 8159

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111111011111

Octal: -17737

Duodecimal: -487B

Hexadecimal: -1fdf

Square: 66569281

Square Root: 90.32718306246464

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Expansion of ∏_k>=1 (1 + x^3·k)^3·k / (1 + x^k)^k. A285294

Minimal natural number (in decimal representation) with n prime substrings in binary representation (substrings with leading zeros are considered to be nonprime). A217302

Number of integer partitions of n such that for some part k the multiplicity of k exceeds k. A387578

Number of conjugacy classes in the symmetric group S_n with distinct cardinality. A73906

Greatest number (in decimal representation) with n nonprime substrings in binary representation (substrings with leading zeros are considered to be nonprime). A217112

Least nontrivial multiple of the n-th prime beginning with 8. A78292

Numbers k which divide the sum of the Fibonacci numbers F(1) through F(k) and such that k is not a multiple of 24. A124456

Odd integers m that divide the sum of the first m nonzero Fibonacci numbers. A331976

a(1)=1; a(n) = a(n-1) + [sum of all decimal digits present so far in the sequence]. A72921

a(n) = ∑_i=0..n digsum₄(i)⁴, where digsum₄(i) = A053737(i). A231667