ℕ atory
Play Now

Properties of the Number 30558

Thirty Thousand Five Hundred Fifty-Eight

Basics

Value: 30557 → 30558 → 30559

Parity: even

Prime: No

Previous Prime: 30557

Next Prime: 30559

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 11 × 463

Divisors: 1, 2, 3, 6, 11, 22, 33, 66, 463, 926

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111011101011110

Octal: 73536

Duodecimal: 15826

Hexadecimal: 775e

Square: 933791364

Square Root: 174.80846661417746

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 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nXk array. A219939
Number of equilateral triangles formed by triples of points taken from a hexagonal chunk of side n in the hexagonal lattice. A8893
Even numbers 2m such that A352612(2m) = A103131(2m). A352587
Number of distinct degree sequences among all simple graphs with n vertices whose degrees are consecutive integers. A382021
T(n,k) = [xk] ∏m=1..n d/dx ∑i=1..m xi; triangle read by rows, n >= 0, 0 <= k <= A161680(n). A139769
Number of 3 X n arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 3 X n array. A219941
Number of partitions p of n such that floor(n/2) is not a part of p. A238546
Number of nX6 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nX6 array. A219937
Numbers k such that 4·10k - 21 is prime. A256228
Smallest number m >= 0 such that n with m threes appended yields a prime or -1 if no such m exists. A90584