Properties of the Number -2058

Fifty-Eight

Basics

Value: -2059 → -2058 → -2057

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 ³

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 49, 98

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100000001010

Octal: -4012

Duodecimal: -1236

Hexadecimal: -80a

Square: 4235364

Square Root: 45.36518488885502

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

Triangle read by rows: T(n, m) = S1(n, m)*7^n-m, where S1 are the signed Stirling numbers of first kind A008275 (n >= 1, 1 <= m <= n). A51186

Coefficients in the expansion of B⁷/C, in Watson's notation of page 118. A160534

Expansion of e.g.f. sqrt(exp(x)*(2-exp(x))). A348468

Determinants of 2 X 2 matrices of non-overlapping blocks of 4 consecutive primes. A117027

Square array read by antidiagonals downwards: A(n, k) = (∑_i=1..n i^k) - (n+1)^k for n >= 1, k >= 1. A290844

a(1) = 1; a(n) = -∑_k=1..n a(k/gcd(n,k)). A343762

A triangular sequence from the Z/nZ matrix addition tables as in sequence A095897 as coefficients of characteristic polynomials: M(n,m)=Mod[n + m, d] for n <=m<=d. A138064

Numbers k such that (16·10^k - 31)/3 is prime. A270929

Triangle read by rows: T(n,k) is the number of compositions of n into nonzero parts with k parts directly followed by a different part, n>=0, 0<=k<=A004523(n-1). A238279

a(n) = n*φ(n). A2618