Properties of the Number 26390

Twenty-Six Thousand Three Hundred Ninety

Basics

Value: 26389 → 26390 → 26391

Parity: even

Prime: No

Previous Prime: 26387

Next Prime: 26393

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 7 × 13 × 29

Divisors: 1, 2, 5, 7, 10, 13, 14, 26, 29, 35

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110011100010110

Octal: 63426

Duodecimal: 13332

Hexadecimal: 6716

Square: 696432100

Square Root: 162.44999230532454

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

Sum of terms in n-th row of A077316. A77318

a(n) = (2·n³ + 5·n² - 7·n)/2. A162261

a(n) = 100·n² - 151·n + 57. A157626

a(n) = binomial(n+3, 3)*(1 + binomial(n+2, 3)/4). A291288

a(n) = 4·n³ - 3·n² + 2·n - 1. A131464

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 65", based on the 5-celled von Neumann neighborhood. A270085

Numbers that cannot be partitioned into two or more distinct even-valued terms or distinct odd-valued terms of the sequence. A279953

Squarefree integers k such that x⁴ - k·y² = 1 has a nontrivial solution. A356496

a(n) = floor(10000·log(n)). A4243

Decimal expansion of π (or digits of π). A796