Properties of the Number 8023

Eight Thousand Twenty-Three

Basics

Value: 8022 → 8023 → 8024

Parity: odd

Prime: No

Previous Prime: 8017

Next Prime: 8039

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 71 × 113

Divisors: 1, 71, 113, 8023

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111101010111

Octal: 17527

Duodecimal: 4787

Hexadecimal: 1f57

Square: 64368529

Square Root: 89.57120072880568

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(n) = 2ⁿ - n². A24012

Least nontrivial multiple of the n-th prime beginning with 8. A78292

Numbers n such that n!8-2 is prime. A204664

Nonnegative numbers of the form x^y - y^x, for x,y > 1. A45575

Numbers k such that k⁴ = x³ + y² has an integer solution. A96741

Semiprimes of the form 2^k - k². A99482

a(n) = 49·n² - 20·n + 2. A157373

Smallest positive integer that has exactly n representations of the form 1 + p1 * (1 + p2* ... * (1 + p_j)...), where [p1, ..., p_j] is a (possibly empty) list of (not necessarily distinct) primes. A317384

Odd numbers of the form k·reverse(k) (where reverse(k) is the binary reversal of k, A030101(k)). A331587

Odd composite integers m such that A054413(3·m-J(m,53)) == 7 (mod m), where J(m,53) is the Jacobi symbol. A340238