Properties of the Number -18250

Eighteen Thousand Two Hundred Fifty

Basics

Value: -18251 → -18250 → -18249

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 ³ × 73

Divisors: 1, 2, 5, 10, 25, 50, 73, 125, 146, 250

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -100011101001010

Octal: -43512

Duodecimal: -A68A

Hexadecimal: -474a

Square: 333062500

Square Root: 135.09256086106296

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

Number of free pure symmetric multifunctions with leaves a multiset whose multiplicities are the integer partition with Heinz number n. A317655

a(n) = ∑_d∣n max(d, n/d)³. A297842

a(n) = a(n-1) + the number of primes <= a(n-1). A61535

Coefficient of xⁿ in 1/(n+1) * (1 + x - 3·x²)ⁿ⁺¹. A308036

Kekulé numbers for certain benzenoids. A110692

n³ + floor(n³/2). A211786

Numbers k such that φ(k) equals the product of two numbers: sums of prime factors of k, with and without repetition. A237798

Number of (6+1) X (n+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction. A250774

Number of permutations of 1..n containing the relative rank sequence { 146325 } at any spacing. A159119

Partial sums of A000272. A173249