Properties of the Number -1674

Six Hundred Seventy-Four

Basics

Value: -1675 → -1674 → -1673

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 31

Divisors: 1, 2, 3, 6, 9, 18, 27, 31, 54, 62

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11010001010

Octal: -3212

Duodecimal: -B76

Hexadecimal: -68a

Square: 2802276

Square Root: 40.91454509095757

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

Riordan array (1/(1+x), x*(1-2·x)/(1+x)²). A110522

Difference between sums of quadratic residues and non-residues modulo n that are coprime to n. A255643

Expansion of (1-x)^-1/(1-2·x+x²+x³). A77856

Triangle of coefficients of Faber polynomials for (3·x - sqrt(x² - 4·x))/2. A226952

Fourier coefficients of the modular form (1/t_6a³) * (1-6·sqrt(-3)/t_6a) * F_6a¹². A341568

Least k such that H(k) > n, where H(k) is the harmonic number ∑_i=1..k 1/i. A2387

T(n,m) = number of 1..m integer arrays v[1..n] of length n with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1. A171275

Sum of composite numbers between successive primes. A54265

Numbers that are sums of 2 distinct positive cubes. A24670

Inverse Moebius transform of triangular numbers. A7437