Properties of the Number 18451

Eighteen Thousand Four Hundred Fifty-One

Basics

Value: 18450 → 18451 → 18452

Parity: odd

Prime: Yes

Previous Prime: 18443

Next Prime: 18457

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 18451

Divisors: 1, 18451

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100000010011

Octal: 44023

Duodecimal: A817

Hexadecimal: 4813

Square: 340439401

Square Root: 135.834458073053

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) = (4·n³ - 12·n² + 14·n + 3)/3. A161703

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3 or 4 king-move adjacent elements, with upper left element zero. A297923

Self-convolution square-root of column 1 (A127128) of triangle A127126. A127131

a(1) = 2; a(n) is the smallest prime > a(n-1) such that a(n) + a(n-1) is a square. A62064

Largest prime divisor of Lucas(5·n), where Lucas(k) = A000032(k). A121171

Last occurrence of n partitions in A204814. A205301

Number of partitions of n into 9 or more parts. A347545

Primes p such that p³-p-+1 are twin primes. A158295

Lucas Aurifeuillian primitive part B of Lucas(10·n - 5). A190781

Smallest prime Q such that prime(n)*(2·Q)^prime(n)+1 is prime. A245601