Properties of the Number 40322

Forty Thousand Three Hundred Twenty-Two

Basics

Value: 40321 → 40322 → 40323

Parity: even

Prime: No

Previous Prime: 40289

Next Prime: 40343

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 20161

Divisors: 1, 2, 20161, 40322

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110110000010

Octal: 116602

Duodecimal: 1B402

Hexadecimal: 9d82

Square: 1625863684

Square Root: 200.8033864256278

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

Sum of factorials of the digits of n. A61602

a(1) = 0, a(n) = (e1·i1! + e2·i2! + ... + ez·iz!) for n = prime(i1)^e1 * prime(i2)^e2 * ... * prime(iz)^ez, where prime(k) is the k-th prime, A000040(k). A276075

Sums of nonconsecutive factorial numbers. A60112

G.f. A(x) satisfies: A(x) = x·exp(A(-x) - A(-x²)/2 + A(-x³)/3 - A(-x⁴)/4 + ...). A307366

Integers of the form m! + n!, m and n = positive integers. A66847

Semiprimes (A001358) that are sums of distinct factorials. A115646

Integers which can be partitioned into two distinct factorials. 0! and 1! are not considered distinct. A301523

Expansion of ∏_k>=2 1/(1 - k·x^k). A317912

Places of records of A188550. A188592

Number of lower triangles of a 5 X 5 0..n array with each element differing from all of its horizontal and vertical neighbors by one. A195001