Properties of the Number 40202

Forty Thousand Two Hundred Two

Basics

Value: 40201 → 40202 → 40203

Parity: even

Prime: No

Previous Prime: 40193

Next Prime: 40213

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 × 20101

Divisors: 1, 2, 20101, 40202

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001110100001010

Octal: 116412

Duodecimal: 1B322

Hexadecimal: 9d0a

Square: 1616200804

Square Root: 200.50436404228213

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 g.f. (1 - theta₄(x))/2 / ∏_n>=1 (1 - x^2·n)³. A370150

a(n) = ∑_{k=0..floor(n/3)} (-1)^k * (n-3·k)!. A358608

Triangle, read by rows, T(n, k) = (prime(n+1) - prime(k+1))! - (n! - k!). A158748

T(n,k) is the k-th partition of n in graded reverse lexicographic ordering (A080577) encoded as concatenation of parts which are represented in (zeroless) bijective base-9 numeration (A052382) and separated by zeros; triangle T(n,k), n >= 0, 1 <= k <= A000041(n), read by rows. A332567

Continued fraction for sqrt(217). A40202