Properties of the Number -26144

Twenty-Six Thousand One Hundred Forty-Four

Basics

Value: -26145 → -26144 → -26143

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁵ × 19 × 43

Divisors: 1, 2, 4, 8, 16, 19, 32, 38, 43, 76

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011000100000

Octal: -63040

Duodecimal: -13168

Hexadecimal: -6620

Square: 683508736

Square Root: 161.6910634512619

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

Number of positive subset sums of strict integer partitions of n. A284640

Numbers k such that both k and k+1 are abundant. A96399

Numbers which are representable as a sum of nineteen but no fewer consecutive nonnegative integers. A270303

Numbers k such that both σ(k) >= 2·k-1 and σ(k+1) >= 2*(k+1)-1. A103289

Denominators a(n) of Pythagorean approximations b(n)/a(n) to sqrt(12). A195680

Numbers k such that both k and k+1 are Zumkeller numbers (A083207). A328327

Numbers k such that k and k+1 are both φ-practical numbers (A260653). A330871

Expansion of e.g.f. (1/x) * Series_Reversion( x*(1 + log(1-2·x)/2) ). A370938

Numbers n such that n and n+1 both have 24 divisors. A274362

Numbers k such that each of k and k+1 is either a practical number (A005153) or an almost practical number (A174533). A387654