Properties of the Number -7430

Four Hundred Thirty

Basics

Value: -7431 → -7430 → -7429

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 743

Divisors: 1, 2, 5, 10, 743, 1486, 3715, 7430

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: -1110100000110

Octal: -16406

Duodecimal: -4372

Hexadecimal: -1d06

Square: 55204900

Square Root: 86.1974477580398

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

G.f.: (1 - x/(1 - x²/(1 - x³/(1 - x⁴/(1 - ...))))) * (1 + x/(1 + x²/(1 + x³/(1 + x⁴/(1 + ...))))), a continued fraction. A285638

Start with 61; to get the next term, divide by the smallest prime factor < 17 if it exists, else multiply by 17 and add 1. A57534

Square array A(n,k) = A276156((2^n-1) * (2k-1)) / A002110(n-1), read by descending antidiagonals. A328464

Diagonal in array of n-gonal numbers A081422. A81435

Expansion of (ψ(x³) / ψ(x))² in powers of·where ψ() is a Ramanujan θ function. A217786

Numbers that are the sum of ten fourth powers in exactly seven ways. A345859

Numbers k such that k⁸¹*(k⁸¹+1)+1 is prime. A153442

a(n) = 250·n - 70. A154361

Indices of records in A348249. A348256

Triangle read by rows: T(n,m) = number of solid partitions of n with shape of a plane partition of m. A380893