Properties of the Number 69427

Sixty-Nine Thousand Four Hundred Twenty-Seven

Basics

Value: 69426 → 69427 → 69428

Parity: odd

Prime: Yes

Previous Prime: 69403

Next Prime: 69431

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 69427

Divisors: 1, 69427

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000111100110011

Octal: 207463

Duodecimal: 34217

Hexadecimal: 10f33

Square: 4820108329

Square Root: 263.4900377623412

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

a(0) = a(1) = a(2) = 1; for n > 2, a(n) = (a(n-1)²+a(n-2)²+a(n-1)+a(n-2))/a(n-3). A276122

Decimal part of cube root of a(n) starts with 1: first term of runs. A34127

Number of nonnegative integer arrays of length n+2·7-2 with new values introduced in order 0 upwards and every value appearing only in runs of at least 7. A211699

Numbers k such that 41^k - 40^k is prime. A62607

Primes of the form 1 + prime(k) + (prime(k+1))², any k. A165613

Odd k for which abs(2^m - k) is nonprime for all m < k. A263865

Number of n X 7 binary arrays with a path of adjacent 1's and no path of adjacent 0's from top row to bottom row. A69427