Properties of the Number -451

Four Hundred Fifty-One

Basics

Value: -452 → -451 → -450

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 11 × 41

Divisors: 1, 11, 41, 451

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111000011

Octal: -703

Duodecimal: -317

Hexadecimal: -1c3

Square: 203401

Square Root: 21.236760581595302

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

Alternating sum σ(1)-σ(2)+σ(3)-σ(4)+...+((-1)ⁿ⁺¹)*σ(n). A68762

Dirichlet inverse of function f(n) = 1+(A003415(n)*A276086(n)), where A003415 is the arithmetic derivative and A276086 is the primorial base exp-function. A359603

G.f.: ∑_n=-oo..+oo x^n² / (1 - xⁿ)ⁿ. A261605

a(n) = A325977(A228058(n)). A389217

Coefficients of the A-Bailey Mod 9 identity. A104467

Triangle read by rows: n-th diagonal (from the right) is the sequence of (signed) differences between pairs of consecutive terms in the (n-1)th diagonal. The rightmost diagonal (A136562) is defined: A136562(1)=1; A136562(n) is the smallest integer > A136562(n-1) such that any (signed) integer occurs at most once in the triangle A136561. A136561

Imbalance of the number of parts of all partitions of n. A194796

a(n) = n³ - (3*(n+3))². A153259

Expansion of f(-x²)⁷ / (f(x) * f(-x⁸)²) in powers of·where f() is a Ramanujan θ function. A279918

a(n) = reverse(10·n - a(n-1)), with n>1, a(1) = 1. A339141