Properties of the Number 90058

Ninety Thousand Fifty-Eight

Basics

Value: 90057 → 90058 → 90059

Parity: even

Prime: No

Previous Prime: 90053

Next Prime: 90059

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 37 × 1217

Divisors: 1, 2, 37, 74, 1217, 2434, 45029, 90058

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111111001010

Octal: 257712

Duodecimal: 4414A

Hexadecimal: 15fca

Square: 8110443364

Square Root: 300.0966510976089

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 n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having a sum of two or less, with rows and columns of the latter in lexicographically nondecreasing order. A227259

Bell or exponential numbers: number of ways to partition a set of n labeled elements. A110

Ulam numbers: a(1) = 1; a(2) = 2; for n>2, a(n) = least number > a(n-1) which is a unique sum of two distinct earlier terms. A2858

Number of partially ordered sets ("posets") with n labeled elements (or labeled acyclic transitive digraphs). A1035

Number of precomplete Post functions. A2824

Number of proper partitions of a set of n labeled elements. A8827

Number of precomplete Post functions of n variables. A2826

Numbers n divisible by exactly three nontrivial permutations (rearrangements) of the digits of n. A90058

Number of precomplete Post functions. A2825

Solutions y of the Mordell equation y² = x³ - 3a² - 1 for a = 0,1,2, ... (solutions·are given by A053755). A173200