Properties of the Number 31464

Thirty-One Thousand Four Hundred Sixty-Four

Basics

Value: 31463 → 31464 → 31465

Parity: even

Prime: No

Previous Prime: 31397

Next Prime: 31469

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ² × 19 × 23

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 19

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101011101000

Octal: 75350

Duodecimal: 16260

Hexadecimal: 7ae8

Square: 989983296

Square Root: 177.3809459891338

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) = binomial(n+5,4) - 1. A63258

Numbers k such that the k-th prime divides the sum of the first k primes. A24011

Triangle read by rows: T(n,k) is the number of lone-child-avoiding rooted trees with n leaves of exactly k colors. A319376

Numbers k such that k and k+1 are both terms in A377209. A377271

a(n) = 441·n² - 488·n + 135. A157730

Number of (w,x,y,z) with all terms in {1,...,n} and w > harmonic mean of {x,y,z}. A212105

Numbers k for which there are no prime numbers in the range (k-4·sqrt(sqrt(k)), k]. A192320

Number of nX5 0..1 arrays with every element equal to 0, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. A299518

As a vector, shifts to the left when multiplied by A054521. A147524

Numbers k such that the half-open interval (k-5·sqrt(sqrt(k)), k] does not contain primes. A192319