Properties of the Number 26125

Twenty-Six Thousand One Hundred Twenty-Five

Basics

Value: 26124 → 26125 → 26126

Parity: odd

Prime: No

Previous Prime: 26119

Next Prime: 26141

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 ³ × 11 × 19

Divisors: 1, 5, 11, 19, 25, 55, 95, 125, 209, 275

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110011000001101

Octal: 63015

Duodecimal: 13151

Hexadecimal: 660d

Square: 682515625

Square Root: 161.63229875244613

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 m such that [A070080(m), A070081(m), A070082(m)] is a right integer triangle. A70136

Numbers k such that [A070080(k), A070081(k), A070082(k)] is a right integer triangle with relatively prime side lengths. A70137

Number T(n,k) of permutations of [n] with exactly k (possibly overlapping) occurrences of the consecutive step pattern up, down, down, up; triangle T(n,k), n>=0, 0<=k<=max(0,floor((n-2)/3)), read by rows. A230695

Number of permutations of 1..n avoiding adjacent step pattern up, down, down, up. A177519

Denominators of continued fraction convergents to sqrt(541). A42035

Numbers k such that k and k² use only the digits 1, 2, 5, 6 and 8. A137005

Indices of octagonal numbers which are also decagonal. A203625

Least inverse of A114912, or -1 if no inverse exists. A115251

Numbers n such that ψ(n) = 2*φ(n). A292390

G.f. A(x) satisfies: [xⁿ] A(x)^n²-n+1 = 0 for n>=2. A229041