Properties of the Number 7490

Seven Thousand Four Hundred Ninety

Basics

Value: 7489 → 7490 → 7491

Parity: even

Prime: No

Previous Prime: 7489

Next Prime: 7499

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 7 × 107

Divisors: 1, 2, 5, 7, 10, 14, 35, 70, 107, 214

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110101000010

Octal: 16502

Duodecimal: 4402

Hexadecimal: 1d42

Square: 56100100

Square Root: 86.54478609367523

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

T(n,k)=Number of nXk 0..1 arrays with rows unimodal and antidiagonals nondecreasing. A224409

Sum of the seventh largest parts of the partitions of n into 10 squarefree parts. A326631

Triangle read by rows: matrix 5th power of the Stirling-1 triangle A008275. A39817

Number of ways to write n as an ordered sum of 5 squarefree numbers. A341065

Number of n-regular, N₀-weighted pseudographs on 2 vertices with total edge weight 9, up to isomorphism. A358249

a(n) = n*(n+1)*(5·n+7)/6. A162148

Non-balanced numbers in A015771. A78549

T(n,k)=Number of nXk 0..1 arrays with successive rows and columns fitting to straight lines with nondecreasing slope, with a single point array taken as having zero slope. A223317

Triangle read by rows: T(n,k) = t(n-k, k); t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), where f(x) = x + 5. A257607

a(n) = n*(6·n+4). A202804