Properties of the Number -31826

Thirty-One Thousand Eight Hundred Twenty-Six

Basics

Value: -31827 → -31826 → -31825

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 15913

Divisors: 1, 2, 15913, 31826

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111110001010010

Octal: -76122

Duodecimal: -16502

Hexadecimal: -7c52

Square: 1012894276

Square Root: 178.39843048636948

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

Number of compositions (ordered partitions) of n into distinct parts, the least being 6. A339169

Number of Ferrers diagrams with a single strictly smaller Ferrers puncture with the same orientation removed from the top with half-perimeter = n. A133107

a(n) = coefficient of xⁿ, n >= 0, in A(x) such that: 2 = ∑_n=-oo..+oo x^2·n * (1 - xⁿ)^2·n * A(x)ⁿ. A357546

Number of 5 X n 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards. A281473

Numbers k such that there is no prime p and index j > k such that A002182(j) = p·A002182(k). A309042

Smallest semiprime S starting a chain of exactly n semiprimes from iterating f(S) = 2·S+1. A114330

Smallest m such that A306305(m) = n. A306425