Properties of the Number 20599

Twenty Thousand Five Hundred Ninety-Nine

Basics

Value: 20598 → 20599 → 20600

Parity: odd

Prime: Yes

Previous Prime: 20593

Next Prime: 20611

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 20599

Divisors: 1, 20599

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101000001110111

Octal: 50167

Duodecimal: BB07

Hexadecimal: 5077

Square: 424318801

Square Root: 143.52351723672325

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

Least prime in A031930 (lesser of 12-twins) whose distance to the next 12-twin is 2·n. A52355

Primes p such that 2·p + 11 is a square. A269784

a(n) = initial term of an arithmetic progression of nine primes used to form a 3 X 3 magic square with magic sum A269324(n). A269325

Coordination sequence for α-Mn, Position Mn3. A9952

Primes whose 10's complement is a triangular number. A82992

Primes p such that the sum of the digits of p is not prime, but the sum of each digit raised to the 4th power is prime. A91368

Primes congruent to 8 mod 59. A142735

Primes congruent to 42 mod 61. A142840

a(n) = ∑_k=1..n (A000330(n) mod k²). A344711

Primes having only {0, 2, 5, 9} as digits. A386050