Properties of the Number -8178

One Hundred Seventy-Eight

Basics

Value: -8179 → -8178 → -8177

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 29 × 47

Divisors: 1, 2, 3, 6, 29, 47, 58, 87, 94, 141

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111111110010

Octal: -17762

Duodecimal: -4896

Hexadecimal: -1ff2

Square: 66879684

Square Root: 90.43229511629129

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

Triangle T(n, k) = ∑_j=0..k (-1)^k-j*A159041(2·n+1, j), read by rows. A225483

Eulerian numbers (Euler's triangle: column k=2 of A008292, column k=1 of A173018). A295

a(n) = 2ⁿ⁺¹ - n - 2, or partial sums of main diagonal of array A125127 of k-step Lucas numbers. A125128

Triangle read by rows: T(n,k) is the number of partitions of an n-set having k blocks of size > 1 (0<=k<=floor(n/2)). A124324

Otto Haxel's guess for magic numbers of nuclear shells. A33547

Positive integers n such that n¹¹ + 1 is semiprime. A105122

Starting from generation 8 add previous and next term yielding generation 9. A48455

a(n) = ∑_k=0..11 C(n, k). A219531

Expansion of e.g.f. e^2x-(1+x)*e^x+x. A130103

Triangle T(n,k) giving number of rooted maps regardless of genus with n edges and k nodes (n >= 0, k = 1..n+1). A53979