Properties of the Number 12146

Twelve Thousand One Hundred Forty-Six

Basics

Value: 12145 → 12146 → 12147

Parity: even

Prime: No

Previous Prime: 12143

Next Prime: 12149

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 6073

Divisors: 1, 2, 6073, 12146

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10111101110010

Octal: 27562

Duodecimal: 7042

Hexadecimal: 2f72

Square: 147525316

Square Root: 110.20889256316842

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

Powers of cube root of 13 rounded down. A18012

Number of n-regular, N₀-weighted pseudographs on 2 vertices with total edge weight 9, up to isomorphism. A358249

Numbers k such that τ(k) + τ(k+1) + τ(k+2) + τ(k+3) = 16, where τ is the number of divisors function A000005. A350686

Number of partitions of subsets of {1,...,n}, where consecutive integers are required to be in the same part and the elements of {1, n} are required to be in the same part if they are both members of a subset. A261492

G.f.: 1/(1 - x/(1 - x³/(1 - x⁶/(1 - x¹⁰/(1 - x¹⁵/(1 - x²¹/(1 -...- x^n*(n+1/2)/(1 -...))))))), a continued fraction. A206740

Main diagonal of A368179: the n-th term in the trajectory of n under the A006368 map. A368180

Expansion of 1/(1 - x/(1 - 25·x⁵)^1/5). A373510

Numbers k such that A380459(k) has no divisors of the form p^p, while A003415(k) has such a divisor or is 0. A380474

a(n) is the number of ways nⁿ can be written as s^t*u^v, where s, t, u, v are integers > 1 and s^t <= u^v. A390604

Number of integer points (x,y,z) at distance <= 0.5 from sphere of radius n. A16728