Properties of the Number 11025

Eleven Thousand Twenty-Five

Basics

Value: 11024 → 11025 → 11026

Parity: odd

Prime: No

Previous Prime: 11003

Next Prime: 11027

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 ² × 7 ²

Divisors: 1, 3, 5, 7, 9, 15, 21, 25, 35, 45

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101100010001

Octal: 25421

Duodecimal: 6469

Hexadecimal: 2b11

Square: 121550625

Square Root: 105

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 first n cubes; or n-th triangular number squared. A537

Squares of double factorials: (1·3*5*...*(2n-1))² = ((2·n-1)!!)². A1818

Odd abundant numbers (odd numbers m whose sum of divisors exceeds 2m). A5231

Least number with exactly n odd divisors. A38547

Number of permutations in the symmetric group S_n that have odd order. A246

Factorial base exp-function: digits in factorial base representation of n become the exponents of successive prime factors whose product a(n) is. A276076

Powers of composite squarefree numbers that are not squarefree. A303606

Triangle of central factorial numbers |4^k t(2n+1,2n+1-2k)| read by rows (n>=0, k=0..n). A8956

Exponential Riordan array (1, arcsin(x)). A385343

a(n) = (4·n + 1)². A16814