Properties of the Number 3240

Three Thousand Two Hundred Forty

Basics

Value: 3239 → 3240 → 3241

Parity: even

Prime: No

Previous Prime: 3229

Next Prime: 3251

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ⁴ × 5

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010101000

Octal: 6250

Duodecimal: 1A60

Hexadecimal: ca8

Square: 10497600

Square Root: 56.92099788303083

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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

Second hexagonal numbers: a(n) = n*(2·n + 1). A14105

Numbers that are divisible by exactly 8 primes counting multiplicity. A46310

a(n) = n² * (n² - 1)/2. A83374

Numbers with distinct prime factors 2, 3, and 5. A143207

a(n) = 10·n². A33583

A certain partition array in Abramowitz-Stegun order (A-St order), called M₃(6). A134278

3 times pentagonal numbers: 3·n*(3·n-1)/2. A62741

Triangle read by rows: terms T(n,k) of a binomial decomposition of n*(n-1) as Sum(k=0..n)T(n,k). A244139

Number of positions of the Rubik's cube at a distance of n moves from the solved state, in the half-turn metric. A80601

a(n) = 2·n*(4·n + 1). A33585