Properties of the Number 5445

Five Thousand Four Hundred Forty-Five

Basics

Value: 5444 → 5445 → 5446

Parity: odd

Prime: No

Previous Prime: 5443

Next Prime: 5449

Digit Sum: 18

Digital Root: 9

Palindrome: Yes

Factorization: 3 ² × 5 × 11 ²

Divisors: 1, 3, 5, 9, 11, 15, 33, 45, 55, 99

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010101000101

Octal: 12505

Duodecimal: 3199

Hexadecimal: 1545

Square: 29648025

Square Root: 73.79024325749306

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 n such that n = product (p_k)^c_k and set of its (c_k k's)'s is a self-conjugate partition, where p_k is k-th prime and c_k > 0. A88902

Number of subsets of {1..n} containing the sum of every subset whose sum is <= n. A326080

a(n) = 5·n². A33429

Numbers whose unsorted prime signature is not unimodal. A332282

Palindromic in bases 10 and 32. A99165

Numbers m such that there are precisely 18 groups of order m. A298909

Numbers which have only digits 4 and 5 in base 10. A256290

a(n) = 45*((10ⁿ - 1)/9)². A178632

Triangle read by rows where T(n,k) is the number of labeled simple graphs with n vertices and exactly k endpoints (vertices of degree 1). A327369

Numbers k for which nontrivial positive magic squares of exactly 9 different orders with magic sum k exist. For a definition of nontrivial positive magic squares, see A125005. A125016