Properties of the Number 7924

Seven Thousand Nine Hundred Twenty-Four

Basics

Value: 7923 → 7924 → 7925

Parity: even

Prime: No

Previous Prime: 7919

Next Prime: 7927

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 7 × 283

Divisors: 1, 2, 4, 7, 14, 28, 283, 566, 1132, 1981

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111011110100

Octal: 17364

Duodecimal: 4704

Hexadecimal: 1ef4

Square: 62789776

Square Root: 89.01685233707154

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

Number of strict partitions of 2n that include a partition of n. A237258

Numbers n such that Bernoulli number B_n has denominator 870. A272185

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction. A250632

Numbers n such that the decimal expansions of both n and n² have 2 as smallest digit and 9 as largest digit. A257485

10-step Fibonacci sequence starting with 0,0,0,0,1,0,0,0,0,0. A251763

Let F(x) = 1 + x + 4x² + 9x³ + ... = g.f. for A002835 (solid partitions restricted to two planes) and expand (1-x)*(1-x²)*(1-x³)*...*F(x) in powers of x. A5980

Starts of runs of 3 consecutive integers that are all terms in A381581. A381583

Number of subgroups of index 3 in fundamental group of a closed surface of characteristic -n. A49293

a(n) = 4*(n² - n + 1). A112087

Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 437", based on the 5-celled von Neumann neighborhood. A272153