Properties of the Number 40346

Forty Thousand Three Hundred Forty-Six

Basics

Value: 40345 → 40346 → 40347

Parity: even

Prime: No

Previous Prime: 40343

Next Prime: 40351

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 20173

Divisors: 1, 2, 20173, 40346

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110110011010

Octal: 116632

Duodecimal: 1B422

Hexadecimal: 9d9a

Square: 1627799716

Square Root: 200.86313748420838

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

Sums of nonconsecutive factorial numbers. A60112

a(0) = 1, a(n) = 24·n² + 2 for n>0. A10014

Number of partitions of n with exactly four part sizes. A365630

G.f.: ∑_k>=1 k! * x^k² / (1 - x^2·k). A332032

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

Least number k such that A304036(k) = n. A304039

a(n) is equal to the sum of the factorials of the digits of a(n-1), with a(1) = 0; each time a duplicated term appears, we replace it with the smallest integer not yet in the sequence and iterate. A351328

Numbers k such that the continued fraction for sqrt(k) has period 85. A20424

Sequence obtained from Fibonacci numbers by taking the factorials of each digit and summing. A164955

Number of unit cubes that have a side on the surface of a p X p X p cube composed of p³ unit cubes, where p is the n-th prime. A261971