Properties of the Number 90052

Ninety Thousand Fifty-Two

Basics

Value: 90051 → 90052 → 90053

Parity: even

Prime: No

Previous Prime: 90031

Next Prime: 90053

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 47 × 479

Divisors: 1, 2, 4, 47, 94, 188, 479, 958, 1916, 22513

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111111000100

Octal: 257704

Duodecimal: 44144

Hexadecimal: 15fc4

Square: 8109362704

Square Root: 300.0866541517633

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

Triangle read by rows: T(n,k) is the number of oriented colorings of the edges of a regular n-D orthoplex (or ridges of a regular n-D orthotope) using exactly k colors. Row 1 has 1 column; row n>1 has 2·n*(n-1) columns. A338146

Catalan numbers: C(n) = binomial(2n,n)/(n+1) = (2n)!/(n!(n+1)!). A108

Primes p such that 6·p + 1 is also prime. A7693

Number of oriented colorings of the edges of a regular 4-dimensional orthoplex with n available colors. A331354

Group-abundant numbers: n such that the number of groups of order n (A000001) exceeds n. A90052

Maximum size of a Sidon subset of {0,1}ⁿ. A309370

a(n) = ceiling( log₃( binomial(n,2) ) ). A262070

Number of singular n X n matrices whose rows are distinct (0,1) vectors arranged in increasing order. A331439