Properties of the Number -7538

Five Hundred Thirty-Eight

Basics

Value: -7539 → -7538 → -7537

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 3769

Divisors: 1, 2, 3769, 7538

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110101110010

Octal: -16562

Duodecimal: -4442

Hexadecimal: -1d72

Square: 56821444

Square Root: 86.82165628459296

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

a(n) = ∑_k=1..n μ(k)*k³. A336277

Inverse binomial transform of A010054 (1 if triangular number else 0). A93523

Bond percolation series for hexagonal net. A120541

Column 0 of square array A211970 (in which column 1 is A000041). A211971

Numbers m such that m² ends in 444. A39685

Numbers n such that A242719(n) = (prime(n))²+1 and A242720(n) - A242719(n) = 2*(prime(n)+1). A246748

Least positive integer k such that prime(k·n) - 1 = (prime(i·n)-1)*(prime(j·n)-1) for some integers 0 < i < j < k. A257938

Numbers k such that the continued fraction for sqrt(k) has period 9. A10339

Number of partitions of n such that (maximal multiplicity of parts) > (multiplicity of the maximal part). A240302

n written in fractional base 9/7. A24655