Properties of the Number 6240

Six Thousand Two Hundred Forty

Basics

Value: 6239 → 6240 → 6241

Parity: even

Prime: No

Previous Prime: 6229

Next Prime: 6247

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ⁵ × 3 × 5 × 13

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100001100000

Octal: 14140

Duodecimal: 3740

Hexadecimal: 1860

Square: 38937600

Square Root: 78.99367063252599

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

8 times triangular numbers: a(n) = 4·n*(n+1). A33996

Expansion of e.g.f. 1/(1 - log(1+x)). A6252

a(n) = (prime(n)-1)*(prime(n)+1). A84920

Q-toothpick sequence (see Comments for precise definition). A187210

a(1)=1, a(n)=a(n-1)+n if n odd, a(n)=a(n-1)+ n² if n is even. A140113

Strongly refactorable numbers: numbers n such that if n is divisible by d, it is divisible by the number of divisors of d. A141586

Heinz numbers of aperiodic integer partitions into relatively prime parts whose reciprocal sum is an integer. A316904

Numbers whose prime indices and prime signature have the same mean. A359903

Sum of divisors of cubes. A175926

Numbers n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=7. A135192