Properties of the Number 51450

Fifty-One Thousand Four Hundred Fifty

Basics

Value: 51449 → 51450 → 51451

Parity: even

Prime: No

Previous Prime: 51449

Next Prime: 51461

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 ² × 7 ³

Divisors: 1, 2, 3, 5, 6, 7, 10, 14, 15, 21

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100100011111010

Octal: 144372

Duodecimal: 25936

Hexadecimal: c8fa

Square: 2647102500

Square Root: 226.8259244442751

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) = A276086(A276086(n)), where A276086 is the primorial base exp-function. A276087

The least number k > A255334(n) for which A000203(k) = A000203(A255334(n)) and A007947(k) = A007947(A255334(n)), where A000203 gives the sum of divisors, and A007947 gives the squarefree kernel of n. A255423

Numbers n for which there exists k < n such that A000203(k) = A000203(n) and A007947(k) = A007947(n), where A000203 gives the sum of divisors, and A007947 gives the squarefree kernel of n. A255335

Number of permutations of the prime indices of n! with at least one non-singleton run. A335459

a(n) equals the coefficient of xⁿ in the (n-1)-th iteration of x*(1+x)/(1-x) for n>=1. A185522

A variant of A322827. A322825

Coefficients a(n) of xⁿ*yⁿ*zⁿ in function A = A(x,y,z) such that A = 1 + x·B*C, B = 1 + y·C*A, and C = 1 + z·A*B, for n >= 0. A323325

Expansion of 1/((1-x)*(1-2x)*(1-5x)*(1-6x)). A21114

Totally multiplicative sequence with a(p) = 7*(p+3) for prime p. A167326

Number of tieless quidditch games with n scoring events. A335974