Properties of the Number 56489

Fifty-Six Thousand Four Hundred Eighty-Nine

Basics

Value: 56488 → 56489 → 56490

Parity: odd

Prime: Yes

Previous Prime: 56479

Next Prime: 56501

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 56489

Divisors: 1, 56489

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101110010101001

Octal: 156251

Duodecimal: 28835

Hexadecimal: dca9

Square: 3191007121

Square Root: 237.67414667986083

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)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..2 nXk array. A218592

Numerators of upper primes-only best approximates (POBAs) to π; see Comments. A265810

Primes of form a²+b² such that a⁴+b⁴ and a⁸+b⁸ are primes. A182313

Hilltop maps: number of 2Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..2 2Xn array. A218593

Primes of the form σ(k) + product of divisors of k. A260108

Number of periodic palindromes using exactly three different symbols. A56489