Properties of the Number 11125

Eleven Thousand One Hundred Twenty-Five

Basics

Value: 11124 → 11125 → 11126

Parity: odd

Prime: No

Previous Prime: 11119

Next Prime: 11131

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 5 ³ × 89

Divisors: 1, 5, 25, 89, 125, 445, 2225, 11125

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101101110101

Octal: 25565

Duodecimal: 6531

Hexadecimal: 2b75

Square: 123765625

Square Root: 105.47511554864494

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

Positive numbers for which the sum of digits equals the product of digits. A34710

Numbers n that are the hypotenuse of exactly 10 distinct integer-sided right triangles, i.e., n² can be written as a sum of two squares in 10 ways. A97225

Series reversion of x/(1 + 2·x + 3·x² + x³). A127897

The number of regions formed when every pair of n points, placed at the vertices of a regular n-gon, are connected by a circle and where the points lie at the ends of the circle's diameter. A358782

T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nXk array. A219852

Smallest positive number formed by a set of digits whose product = sum of the digits. A61672

Lexicographically earliest increasing sequence which lists the positions of the zero digits in the sequence. A167519

For a positive number k, let L(k) denote the list consisting of k followed by the prime factors of k, with repetition, in nondecreasing order; sequence gives composite k such that the digits of L(k) are in nondecreasing order. A372029

a(n) = r·a(ceiling(n/2))+s·a(floor(n/2)) with a(1)=1 and (r,s)=(4,1). A268527

Numbers for which the digital sum contains the same distinct digits as the digital product. A249334