Properties of the Number -5445

Four Hundred Forty-Five

Basics

Value: -5446 → -5445 → -5444

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

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

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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

Coefficients in the expansion of 1/([r] + [2r]x + [3r]x² + ...); [ ] = floor, r = 6/5. A279778

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