Properties of the Number 27427

Twenty-Seven Thousand Four Hundred Twenty-Seven

Basics

Value: 27426 → 27427 → 27428

Parity: odd

Prime: Yes

Previous Prime: 27409

Next Prime: 27431

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 27427

Divisors: 1, 27427

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101100100011

Octal: 65443

Duodecimal: 13A57

Hexadecimal: 6b23

Square: 752240329

Square Root: 165.6109899734918

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

Numbers k such that (5^k + 2^k)/7 is prime. A82387

Primes from merging of 5 successive digits in decimal expansion of e. A104846

Numbers n such that n is a substring of its square in base 8 (written in base 10). A18832

Primes having only {2, 4, 7} as digits. A385784

Primes of the form XYX, where Y is a single digit. A154270

a(n) is the least prime such that the subsets of { a(1), ..., a(n) } sum up to 2ⁿ different values. A138000

Primes of the form abcabc..abcab. A228627

Least prime p such that 2·prime(p·n)+1 = prime(q·n) for some prime q. A260882

Primes p such that 2·p+1 is divisible by the sum of digits of p+1. A267542

Prime numbers of the form A385986(1) + ... + A385986(k) for some k > 0. A385987