Properties of the Number 48280

Forty-Eight Thousand Two Hundred Eighty

Basics

Value: 48279 → 48280 → 48281

Parity: even

Prime: No

Previous Prime: 48271

Next Prime: 48281

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 5 × 17 × 71

Divisors: 1, 2, 4, 5, 8, 10, 17, 20, 34, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1011110010011000

Octal: 136230

Duodecimal: 23B34

Hexadecimal: bc98

Square: 2330958400

Square Root: 219.7271034715563

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

Expansion of (1-x)*(1-3·x)/(1-9·x+28·x²-35·x³+15·x⁴-x⁵). A224422

Expansion of 1/(1 - x - 4·x² + 3·x³ + 3·x⁴ - x⁵). A231181

Numbers that are simultaneously k-gonal and k-gonal pyramidal for some k >= 3. A373711

Coefficients for the nonnegative powers of ρ(11) = 2·cos(π/11) when written in the power basis of the degree 5 number field Q(ρ(11)). Coefficients for the zeroth and fourth powers. A231182

Expansion of x/(1 - 8·x - 7·x²). A15576

Number of 2n-bead balanced binary necklaces of fundamental period 2n which are equivalent to their reverse, but not equivalent to their complement and reversed complement. A45685

Square array T, read by antidiagonals: T(n,k) = 0 if n-k >= 5 or if k-n >= 6, T(4,0) = T(3,0) = T(2,0) = T(1,0) = T(0,0) = T(0,1) = T(0,2) = T(0,3) = T(0,4) = T(0,5) = 1, T(n,k) = T(n-1,k) + T(n,k-1). A223968

Length of longest run of consecutive quadratic residues mod prime(n). A48280