Properties of the Number 26280

Twenty-Six Thousand Two Hundred Eighty

Basics

Value: 26279 → 26280 → 26281

Parity: even

Prime: No

Previous Prime: 26267

Next Prime: 26293

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ² × 5 × 73

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110011010101000

Octal: 63250

Duodecimal: 13260

Hexadecimal: 66a8

Square: 690638400

Square Root: 162.11107303327555

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 that have exactly seven prime factors counted with multiplicity (A046308) whose digit reversal is different and also has 7 prime factors (with multiplicity). A109027

Smallest number having exactly n divisors that are not greater than the number's greatest prime factor. A87134

Smallest number k such that prime(n) is the n-th divisor of k. A221647

First differences of A069475, successive differences of (n+1)⁶-n⁶. A69476

a(n) = 81·n² + 2·n. A177099

Number of two-rowed partitions of length 5. A70558

a(1)=3; for n>1, a(n) is least number such that a(n) > a(n-1) and a(1)²+...+a(n)² is a square. A127689

Smallest number whose largest odd noncomposite divisor is its n-th divisor. A384232

Least positive integer k such that both k and k·n belong to the set {m>0: prime(prime(m))-prime(m)+1 = prime(p) for some prime p}. A260753

Number of (unlabeled) rooted trees with n leaf nodes and without unary nodes such that the maximum of the node outdegrees equals four. A292230