Properties of the Number -2357

Three Hundred Fifty-Seven

Basics

Value: -2358 → -2357 → -2356

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2357

Divisors: 1, 2357

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100100110101

Octal: -4465

Duodecimal: -1445

Hexadecimal: -935

Square: 5555449

Square Root: 48.54894437575342

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

A (1,3) Somos-4 sequence associated to the elliptic curve E: y² + 2·x*y - y = x³ - x. A178624

Triangle read by rows: T(n,k) is the coefficient A_k in the transformation of 1 + x + x² + ... + xⁿ to the polynomial A_k*(x+(-1)^k)^k for 0 <= k <= n. A248975

G.f. is 1/F, where x·F is g.f. for Fibonacci word (A003849). A80845

Triangular array T(n, k) read by rows: denominators of the coefficients for the iterated exponential F^r(x) = x + ∑_n>=1 xⁿ⁺¹*∑_k=1..n r^n+1-k*T(n, k)/A381931(n, k) with F¹(x) = exp(x)-1 and F²(x) = exp(exp(x)-1)-1. A381932

Percolation series for f.c.c. lattice. A6806

Antidiagonal triangular matrices of factorials as the example: M(3)={{0, 0, 1}, {0, 1, 2}, {1, 2, 6}}; the matrices are used to get characteristic polynomials and the triangular sequence is the coefficients of those characteristic polynomials. A137296

a(n) = 111·n² - 3123·n + 10753. A211607

Elliptic net associated to y² + y = x³ + x² - 2·x, based on the non-torsion generator points P = [0, 0] and Q = [1, 0]. A374833

Primes whose digits are primes; primes having only {2, 3, 5, 7} as digits. A19546

Prime(k), where k is such that (1 + ∑_i=1..k prime(i)²) / k is an integer. A233862