Properties of the Number -21259

Twenty-One Thousand Two Hundred Fifty-Nine

Basics

Value: -21260 → -21259 → -21258

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 × 3037

Divisors: 1, 7, 3037, 21259

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101001100001011

Octal: -51413

Duodecimal: -10377

Hexadecimal: -530b

Square: 451945081

Square Root: 145.8046638485889

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

T(n,k)=Number of nXk binary arrays with each 1 adjacent to exactly two other 1s. A183328

a(n) = (1/3ⁿ) * ∑_k=0..n³ ( (binomial(n³, k) * 2^k) (mod 3ⁿ) ). A376536

Consecutive states of the linear congruential pseudo-random number generator (25173·s+13849) mod 2¹⁶ when started at s=1. A383940

Expansion of ∏_m>=1 (1+q^m)^-28. A22623

a(n) = a(n-1) + a(n-2) + n + 3 with n>1, a(0)=1, a(1)=2. A210729

Number of n X 6 binary arrays with each 1 adjacent to exactly two other 1's. A183327

Triangle T(n, k) = ∑_i=1..n Stirling2(n,i) * abs(Stirling1(i-1,k-1)), n >= 1, 1 <= k <= n. A320280

Numbers k such that all of k, k+1 and k+2 are the sums of consecutive squares. A368590