Properties of the Number -2742

Seven Hundred Forty-Two

Basics

Value: -2743 → -2742 → -2741

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 457

Divisors: 1, 2, 3, 6, 457, 914, 1371, 2742

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101010110110

Octal: -5266

Duodecimal: -1706

Hexadecimal: -ab6

Square: 7518564

Square Root: 52.364109846344185

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 m such that the Bernoulli number B_m has denominator 42. A51228

a(1) = 1; thereafter a(n+1) = a(n) + product of nonzero digits of a(n). A63108

Number of ordered rooted trees with n edges having root of odd degree. A958

a(n) = 2·n² + 4. A255843

Array T(n,k) read by antidiagonals: T(n,k) is the number of [n,k]-triangulations in the plane that have reflection symmetry, n >= 0, k >= 0. A169809

Number of set partitions of set-systems with total sum n. A330459

Integer part of Gauss's Arithmetic-Geometric Mean M(1,n³). A127759

Number of partitions of n having population standard deviation < 2. A238658

a(n) is the minimal number of additions needed to grow to radius n, in the two-dimensional abelian sandpile growth model with h=2. A180230

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A317697