Properties of the Number -147623

One Hundred Forty-Seven Thousand Six Hundred Twenty-Three

Basics

Value: -147624 → -147623 → -147622

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 7 × 21089

Divisors: 1, 7, 21089, 147623

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100100000010100111

Octal: -440247

Duodecimal: -7151B

Hexadecimal: -240a7

Square: 21792550129

Square Root: 384.2173863843228

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

E.g.f. satisfies A(x) = exp(x² + x / A(x)). A362736

Permutation of natural numbers: a(n) = A048673(A122111(n)). A243506

a(n) = (5·3^n-1+1)/2. A57198

a(1) = 1, then A007051 ((3ⁿ)+1)/2 interleaved with A057198 (5·3^n-1+1)/2. A246360

a(n) = (5·9ⁿ + 1)/2. A135423

a(n) = 529n² - 312n + 46. A156841

a(0)=3, a(n) = 3·a(n-1) + 2*(-1)ⁿ. A96019

Records in the numbers of representations of k² as x² - x·y + y², x > 2·y >= 0, corresponding to the numbers of grid points with squared radius A357302(n)² in an angular sector 0 <= φ < π/6 of the triangular lattice. A357303