Properties of the Number 5623

Five Thousand Six Hundred Twenty-Three

Basics

Value: 5622 → 5623 → 5624

Parity: odd

Prime: Yes

Previous Prime: 5591

Next Prime: 5639

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5623

Divisors: 1, 5623

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010111110111

Octal: 12767

Duodecimal: 3307

Hexadecimal: 15f7

Square: 31618129

Square Root: 74.98666548127073

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: Yes

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Primes of the form k² - 2. A28871

Primes with indices that are primes with prime indices. A38580

Primes from merging of 4 successive digits in decimal expansion of sqrt(2). A198164

Prime islands: for n >= 2, a(n) = least prime whose adjacent primes are exactly 2n apart; a(1) = 3 by convention. A46931

Primes prime(k) for which A049076(k) = 3. A49079

Largest number whose 4th power has n digits. A114322

Smallest prime p such that there is a gap of 2n between p and previous prime. A1632

Lower prime of a pair of consecutive primes having a difference of 16. A31934

Primes that can be written as the sum of 13 consecutive primes. A127341

Number of decagons that can be formed with perimeter n. A288256