Properties of the Number 3440

Three Thousand Four Hundred Forty

Basics

Value: 3439 → 3440 → 3441

Parity: even

Prime: No

Previous Prime: 3433

Next Prime: 3449

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 5 × 43

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 43

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110101110000

Octal: 6560

Duodecimal: 1BA8

Hexadecimal: d70

Square: 11833600

Square Root: 58.65151319446072

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

Number of integer partitions of n whose distinct parts are connected. A304716

Coordination sequence for "tsi" 3D uniform tiling. A299289

Number of partitions of n having no more odd than even parts. A171966

The n-th n-gonal number: a(n) = n*(n² - 3·n + 4)/2. A60354

Numbers of the form 9·k² + 8·k, k an integer. A218864

Triangle T(n,k) (1 <= k <= n) read by rows: T(n,k) is the number of permutations of [1..n] with k components. A59438

a(n) = 2·n*(n+3). A139570

Number A(n,k) of set partitions of [n] such that all absolute differences between least elements of consecutive blocks are <= k; square array A(n,k), n>=0, k>=0, read by antidiagonals. A287216

Numbers whose product of prime indices is twice their sum of prime indices. A326151

Numbers k such that k² is palindromic in base 7. A29992