Properties of the Number 20359

Twenty Thousand Three Hundred Fifty-Nine

Basics

Value: 20358 → 20359 → 20360

Parity: odd

Prime: Yes

Previous Prime: 20357

Next Prime: 20369

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 20359

Divisors: 1, 20359

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 100111110000111

Octal: 47607

Duodecimal: B947

Hexadecimal: 4f87

Square: 414488881

Square Root: 142.68496767354296

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

Centered triangular numbers that are prime. A125602

Last member of a sexy prime quadruple: value of p+18 such that p, p+6, p+12 and p+18 are all prime. A46124

Primes p such that p-1 and p+1 each contain at least one cubed prime in their prime factorization. A162870

Prime time primes on 6-digit clocks, second definition: primes of the form HMMSS where H, MM, SS are primes, H < 24, MM and SS < 60. A295013

Prime time numbers on 6-digit clocks: numbers of the form HMMSS where H, MM, SS are primes, H < 24, MM and SS < 60. A295014

Spiral on a 2D square lattice, one term per cell, starting at the origin with 0; the four integers forming any 2 X 2 square have all digits 0 through 9 (with duplicate digits allowed). A337368

Schoenheim bound L₁(n,7,6). A36834

Values of A (the short leg) of a Pythagorean triangle with A and C (the hypotenuse) both prime and part of a twin prime. A51642

Expansion of x/((1 - x - x⁴)*(1 - x)⁴). A145133

Primes p such that x³⁶ = 2 has no solution mod p, but x¹² = 2 has a solution mod p. A59668