Properties of the Number 7964

Seven Thousand Nine Hundred Sixty-Four

Basics

Value: 7963 → 7964 → 7965

Parity: even

Prime: No

Previous Prime: 7963

Next Prime: 7993

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 11 × 181

Divisors: 1, 2, 4, 11, 22, 44, 181, 362, 724, 1991

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111100011100

Octal: 17434

Duodecimal: 4738

Hexadecimal: 1f1c

Square: 63425296

Square Root: 89.24124606929242

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

Coordination sequence for "tsi" 3D uniform tiling. A299289

Numbers n such that Bernoulli number B_n has denominator 690. A272186

T(n,k)=Number of length n+4 0..k arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two. A248987

T(n,k)=Number of nXk 0..1 arrays with no 1 adjacent to 2 king-move neighboring 1s. A297085

Non-palindromic numbers n such that φ(n) = φ(reversal(n)). A97647

Numbers m with C(2·m, m) - prime(m) prime, where C(2·m, m) = (2·m)!/(m!)². A236248

a(n+1) = A154771(a(n)) = sum of all distinct "valid substrings" of a(n); a(1)=10 (least nontrivial choice). A154770

a(n) = (n-1)*(4·n+1). A343560

Numbers k such that the period of the continued fraction for sqrt(3)*k is 2. A64933

a(n) = 2662·n - 22. A157609