Properties of the Number -128519

One Hundred Twenty-Eight Thousand Five Hundred Nineteen

Basics

Value: -128520 → -128519 → -128518

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 128519

Divisors: 1, 128519

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111011000000111

Octal: -373007

Duodecimal: -6245B

Hexadecimal: -1f607

Square: 16517133361

Square Root: 358.4954671958908

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 whose least quadratic nonresidue (A020649) is 23. A25028

a(n) is the smallest prime p such that τ(p+1) = 2ⁿ. A343020

Odd numbers k for which 23 is the smallest positive i with Jacobi symbol J(i,k) ≠ 1. A112079

Primes p such that p+2, p*(p+2) + 12 and p*(p+2) + 14 are also prime. A130736

a(1) = 1; thereafter a(n) = a(n-1) + d₁¹ + d₂² + d₃³ + ..., where d₁ d₂ d₃ ... is the decimal expansion of a(n-1). A263535