Properties of the Number 28467

Twenty-Eight Thousand Four Hundred Sixty-Seven

Basics

Value: 28466 → 28467 → 28468

Parity: odd

Prime: No

Previous Prime: 28463

Next Prime: 28477

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 3163

Divisors: 1, 3, 9, 3163, 9489, 28467

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111100110011

Octal: 67463

Duodecimal: 14583

Hexadecimal: 6f33

Square: 810370089

Square Root: 168.72166428766639

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

Index of first occurrence of exactly n consecutive threes in a row in the decimal expansion of π. A96757

a(n) is the starting position of the first occurrence of a string of at least n 3's in the decimal expansion of π. A50282

Starting positions of strings of four 3's in the decimal expansion of π. A83611

Starting positions of strings of five 3's in the decimal expansion of π. A83612

a(n) = ∑_{k=0..floor(n/4)} 2^k * 3^n-3·k * binomial(2*(n-3·k),2·k). A391757

Starting positions of strings of three 3's in the decimal expansion of π. A83610

L-th order palindromes with L > 2. A89381

A restricted class of multiple edge-free maps on n edges. A220900

Number of perfect matchings in graph C₄ X C₄ X P_n. A28467