Properties of the Number -20259

Twenty Thousand Two Hundred Fifty-Nine

Basics

Value: -20260 → -20259 → -20258

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 2251

Divisors: 1, 3, 9, 2251, 6753, 20259

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100111100100011

Octal: -47443

Duodecimal: -B883

Hexadecimal: -4f23

Square: 410427081

Square Root: 142.3341139713175

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

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

Numbers k such that A(k+1) = A(k) + 1, where A() = A005101() are the abundant numbers. A169822

Numbers with 3 or more prime factors (with multiplicity) such that every concatenation of their prime factors is prime. A217264

Number of partitions of n such that no part is a prime divisor of n. A237125

Number of 2's in n-th term of A007651. A22467

Inverse of coefficient array for orthogonal polynomials p(n,x)=(x-(2n-1))*p(n-1,x)-(2n-2)²*p(n-2,x). A182824

Sum of terms in periodic part of continued fraction expansion of square root of -1+2ⁿ. A77629

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 561", based on the 5-celled von Neumann neighborhood. A272937

Numbers k>0 such that k' = (k-1)' + (k-2)', where k' is the arithmetic derivative of k. A276701

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (0, 1, -1), (1, -1, 1), (1, 1, 0), (1, 1, 1)}. A151014