Properties of the Number -938

Nine Hundred Thirty-Eight

Basics

Value: -939 → -938 → -937

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 67

Divisors: 1, 2, 7, 14, 67, 134, 469, 938

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110101010

Octal: -1652

Duodecimal: -662

Hexadecimal: -3aa

Square: 879844

Square Root: 30.62678566222711

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

Expansion of ∑_k>0 (1/(1+x^k)³ - 1). A363630

G.f.: 1/(1 - x·d/dx log(η(x))), where η(x) is Dedekind's η(q) function without the q^1/24 factor. A283334

∏_n>=1 (1 + xⁿ)^a(n) = 1 + ∑_n>=1 x^prime(n). A328777

Triangle T(n,k) = A006130(k) - A006130(n) + A006130(n-k) read by rows. A176261

Triangle read by rows, inverse Bell transform of the third-order Bell numbers, T(n,k) for n >= 0 and 0 <= k <= n. A264434

Number of compositions of n such that every distinct consecutive subsequence has a different sum. A325676

Coordination sequence for "tsi" 3D uniform tiling. A299289

Expansion of (1/(1-x²))*∏_m>=0 1/(1-x^2m+1). A38348

Numbers whose sum of digits is 20. A235229

Permutation of natural numbers: a(0) = 1, a(1) = 2, a(2n) = 3·a(n)-1, a(2n+1) = A254049(a(n)); composition of A048673 and A163511. A245612