Properties of the Number 11840

Eleven Thousand Eight Hundred Forty

Basics

Value: 11839 → 11840 → 11841

Parity: even

Prime: No

Previous Prime: 11839

Next Prime: 11863

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ⁶ × 5 × 37

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 37

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111001000000

Octal: 27100

Duodecimal: 6A28

Hexadecimal: 2e40

Square: 140185600

Square Root: 108.81176406988355

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

Number T(n,k) of permutations p of [n] such that in 0p the largest up-jump equals k and no down-jump is larger than 2; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A291680

Products of the 6th power of a prime and 2 distinct primes (p⁶*q·r). A179672

Composites whose prime factorization in base 3 is an anagram of the number in base 3. A260047

Compositions with subdiagonal growth: number of compositions (p0, p1, p2, ...) of n with π - p0 <= i. A238859

Numbers m such that the smallest digit in the decimal expansion of 1/m is 4, ignoring leading and trailing 0's. A352158

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (1, 0, 0), (1, 0, 1), (1, 1, 0), (1, 1, 1)}. A151254

Numbers n with property that A062234(n) = A062234(n+1) = A062234(n+2) = A062234(n+3). A257892

a(n) is the smallest number which has a water-capacity of n. A275339

Numbers with 28 divisors. A137491

Numbers k that can be expressed as k = w + x = y·z with w·x = y³ + z³ where w, x, y, and z are all positive integers. A57372