Properties of the Number -7154

One Hundred Fifty-Four

Basics

Value: -7155 → -7154 → -7153

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 ² × 73

Divisors: 1, 2, 7, 14, 49, 73, 98, 146, 511, 1022

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101111110010

Octal: -15762

Duodecimal: -4182

Hexadecimal: -1bf2

Square: 51179716

Square Root: 84.581321815162

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

Numbers k such that 8·3^k - 1 is prime. A5541

MacMahon's generalized sum of divisors function. A2127

Number of primitive n-bead necklaces (turning over is allowed) where complements are equivalent. A46

T(n,k) is the number of (n+1) X (k+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings). A234712

Numbers that are the sum of nine fourth powers in six or more ways. A345590

Numbers that are the sum of nine fourth powers in exactly six ways. A345848

Number of bracelet structures using exactly two different colored beads. A56357

T(n,k)=Number of nXk 0..1 arrays with no element equal to exactly one horizontal or vertical neighbor, with new values 0..1 introduced in row major order. A240656

G.f. A(x) satisfies 1/x = ∑_n=-oo..+oo A(x)ⁿ * (A(x)ⁿ + 4)ⁿ⁺¹. A379204

Base-10 pseudo-altruistic numbers. A157714