Properties of the Number 7320

Seven Thousand Three Hundred Twenty

Basics

Value: 7319 → 7320 → 7321

Parity: even

Prime: No

Previous Prime: 7309

Next Prime: 7321

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 61

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1110010011000

Octal: 16230

Duodecimal: 42A0

Hexadecimal: 1c98

Square: 53582400

Square Root: 85.55699854482975

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) = floor(n(n+2)(2n+1)/8). A2717

a(n) = 4·n*(2·n + 1). A33586

Numbers that can be expressed as the difference of the squares of primes in just three distinct ways. A90782

Expansion of e.g.f.: exp(x²/(1 - x)²). A52887

a(n) = φ(11ⁿ+1), where φ is Euler's totient function (A000010). A366690

Triangle of the RBS1 polynomial coefficients. A160485

Numbers k such that k | sigma₅(k). A55709

Numbers k such that Fibonacci(k) is divisible by k*(k+1). A217738

Number of ways to write n as an ordered sum of 10 squares of positive integers. A340947

Star of David matchstick numbers: a(n) = 6·n*(3·n+1). A45946