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Properties of the Number 5439

Five Thousand Four Hundred Thirty-Nine

Basics

Value: 5438 → 5439 → 5440

Parity: odd

Prime: No

Previous Prime: 5437

Next Prime: 5441

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 2 × 37

Divisors: 1, 3, 7, 21, 37, 49, 111, 147, 259, 777

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1010100111111

Octal: 12477

Duodecimal: 3193

Hexadecimal: 153f

Square: 29582721

Square Root: 73.74957626996917

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

a(n) = n*(4·n-1). A33991
Partial sums of A299255. A299261
Rhonda numbers to base 10. A99542
Number of integer partitions of n such that for some part k the multiplicity of k exceeds k. A387578
A(n,k) is the n-th Rhonda number to base A002808(k), the k-th composite number; square array A(n,k), n>=1, k>=1, read by antidiagonals. A291925
Number of integer partitions of n whose parts have choosable sets of integer partitions. A387328
Numbers having exactly three representations by the quadratic form x2+xy+y2 with 0<=x<=y. A198774
Numbers k such that A145768(k) is a square. A145827
Numbers which can be expressed as the product of numbers made of only sevens. A161145
G.f. A(x) satisfies: 1 = ∏n>=1 (1 - A(x)n) * (1 - A(x)n*x) * (1 - A(x)n-1/x). A268650