Properties of the Number 40815

Forty Thousand Eight Hundred Fifteen

Basics

Value: 40814 → 40815 → 40816

Parity: odd

Prime: No

Previous Prime: 40813

Next Prime: 40819

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 907

Divisors: 1, 3, 5, 9, 15, 45, 907, 2721, 4535, 8163

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001111101101111

Octal: 117557

Duodecimal: 1B753

Hexadecimal: 9f6f

Square: 1665864225

Square Root: 202.0272258879976

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

Consecutive states of the linear congruential pseudo-random number generator for the Texas Instruments TI99 when started at 1. A384221

Decimal part of a(n)^1/3 starts with reversal of its integer part: first term of runs. A34309

Base 5 digits are, in order, the first n terms of the periodic sequence with initial period 2,3,0,1. A37745

The smallest of 3 consecutive integers such that the first is divisible by the square of a prime, the second is divisible by the cube of a prime, and the third is divisible by the fourth power of a prime. A349952

Triangular array read by rows. T(n,k) is the number of labeled digraphs (with self loops allowed) on [n] containing exactly k primitive components, n>=0, 0<=k<=n. A365325

G.f. A(x) satisfies: 0 = [xⁿ] (1+x)^n*(n-1/2) / A(x) for n>0. A304184

Continued fraction for sqrt(845). A40815