Properties of the Number -17938

Seventeen Thousand Nine Hundred Thirty-Eight

Basics

Value: -17939 → -17938 → -17937

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 8969

Divisors: 1, 2, 8969, 17938

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100011000010010

Octal: -43022

Duodecimal: -A46A

Hexadecimal: -4612

Square: 321771844

Square Root: 133.9328189802634

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

Numbers whose binary representation traces a nonselfcrossing circuit in honeycomb lattice when its bits (from the least to the second most significant bit) are interpreted as directions to proceed at each vertex. (The most significant 1-bit is ignored). A255571

Let (u1,u2) be successive untouchable numbers such that φ(u1) = φ(u2); sequence gives values of u1. A48189

Indices of primes in A026007. A285223

Those terms of A255571 whose every A080541/A080542-rotation is also a term of A255571. A258001

Number of 5-multiantichains of an n-set. A84872

Numbers n such that 8·10ⁿ + R_n + 2 is prime, where R_n = 11...1 is the repunit (A002275) of length n. A103071

Number of nX6 0..1 arrays with every element equal to 1, 2, 4 or 7 king-move adjacent elements, with upper left element zero. A298091