Properties of the Number 53147

Fifty-Three Thousand One Hundred Forty-Seven

Basics

Value: 53146 → 53147 → 53148

Parity: odd

Prime: Yes

Previous Prime: 53129

Next Prime: 53149

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 53147

Divisors: 1, 53147

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100111110011011

Octal: 147633

Duodecimal: 2690B

Hexadecimal: cf9b

Square: 2824603609

Square Root: 230.5363311931549

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 p such that p = q² + 2·r² where q and r are also primes. A260553

Lesser of twin primes p such that 6·p+1 is greater of twin primes. A176131

Primes prime(k) such that 2*(prime(k)² - prime(k-1)²) is a perfect square. A335410

Primes of the form p² + 2q² with p and q odd primes. A201613

Number of Dyck paths of semilength n such that no level has more than four peaks. A287968

Larger of two consecutive primes whose sum is a square. A118591

Number of zero-sum -n..n arrays of 5 elements with first through third differences also in -n..n. A202513

Primes p such that every suffix of the ternary (base-3) representation of p is a prime. A278696

Primes p such that p¹¹ - 1 has 8 divisors. A342067

When cototient function (A051953) is iterated with initial value A002110(n), a(n) is the value of first (largest) power of 2 which appears in the iteration. A53147