Properties of the Number 56249

Fifty-Six Thousand Two Hundred Forty-Nine

Basics

Value: 56248 → 56249 → 56250

Parity: odd

Prime: Yes

Previous Prime: 56239

Next Prime: 56263

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 56249

Divisors: 1, 56249

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101110111001

Octal: 155671

Duodecimal: 28675

Hexadecimal: dbb9

Square: 3163950001

Square Root: 237.16871631815187

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

Primes from merging of 5 successive digits in decimal expansion of the Golden Ratio, (1+sqrt(5))/2. A103809

T(n,k) = Number of lower triangles of an n X n integer array with all row and column sums zero and all row and column sums of squares <= 2k². A195892

Primes of the form 10·k² - 1. A143828

Number of n X 4 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically. A207107

Denominators of continued fraction convergents to sqrt(657). A42263

Primes of the form 2^a * 3^b * 5^c - 1 for positive a, b, c. A293425

Primes p such that 12·p³+-1 are twin primes. A158297

Primes p such that 2·p⁴+-9 are also prime. A174365

Primes p such that the decimal expansion of p⁵ ends in p. A224904

Primes for which the concatenation of the digits in the even positions and the concatenation of the digits in the odd positions are squares. A275797