Properties of the Number 43056

Forty-Three Thousand Fifty-Six

Basics

Value: 43055 → 43056 → 43057

Parity: even

Prime: No

Previous Prime: 43051

Next Prime: 43063

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ² × 13 × 23

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 13, 16

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010100000110000

Octal: 124060

Duodecimal: 20B00

Hexadecimal: a830

Square: 1853819136

Square Root: 207.499397589487

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(n) = n-th quintic factorial number divided by 3. A34300

a(n) = 25·n² + 25·n + 6. A177059

Coordination sequence for F₄ lattice. A19558

Numbers k such that 2^k - 1 is divisible by (k-1). A87965

Number of nonnegative solutions of x1² + x2² + ... + x24² = n. A45854

Numbers k such that φ(prime(k) + 1) == 0 (mod k). A67732

a(n) = (n+1)*a(n-5), with a(0)=a(1)=a(2)=a(3)=a(4)=1. A81408

The smallest pronic (A002378) with the same most significant digits as n. A163599

Number of (n+2) X (5+2) 0..3 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order. A252716

E.g.f. A(x) satisfies: x/(1-x)² = ∑_n>=1 (1/n!)*∏_j=0..n-1 A(2^j*x). A134529