Properties of the Number 7028

Seven Thousand Twenty-Eight

Basics

Value: 7027 → 7028 → 7029

Parity: even

Prime: No

Previous Prime: 7027

Next Prime: 7039

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 7 × 251

Divisors: 1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101110100

Octal: 15564

Duodecimal: 4098

Hexadecimal: 1b74

Square: 49392784

Square Root: 83.83316766053875

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 partitions of n where the difference between consecutive parts is at most 2. A224956

Number of partitions of n, with three kinds of 1,2,3 and 4 and two kinds of 5,6,7,... A711

G.f. A(x) satisfies A(x)² = 1 + x + x·A(x)⁷. A295537

Numbers that are the sum of eight fourth powers in five or more ways. A345580

Numbers that are the sum of eight fourth powers in six or more ways. A345581

Numbers that are the sum of eight fourth powers in exactly six ways. A345838

a(n) is the number of integers·that can be written x = (2^c(1) - 2^c(2) - 3·2^c(3) - 3²*2^c(4) - ... - 3^m-2*2^c(m) - 3^m-1) / 3^m for integers c(1), c(2), ..., c(m) such that n = c(1) > c(2) > ... > c(m) > 0 and c(1) - c(2) ≠ 2 if m >= 2. A131450

a(n) = 4·n² + 24·n + 8. A153642

Number of directed animals on a certain lattice. A11792

Numbers k such that k*(k+6) gives the concatenation of two numbers m and m+9. A116352