Properties of the Number 20142

Twenty Thousand One Hundred Forty-Two

Basics

Value: 20141 → 20142 → 20143

Parity: even

Prime: No

Previous Prime: 20129

Next Prime: 20143

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 373

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 373, 746

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 100111010101110

Octal: 47256

Duodecimal: B7A6

Hexadecimal: 4eae

Square: 405700164

Square Root: 141.92251407017844

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

G.f. satisfies A(x) = (1 + x / (1 - x·A(x)))³. A365119

Number of partitions of n such that (greatest part) - (least part) < number of parts. A237830

Number of aperiodic n-gons. A324512

McKay-Thompson series of class 21A for Monster. A58563

G.f. satisfies A(x) = 1 + x·A(x) / (1 + x)⁵. A365084

Positive even numbers which are neither of the form p + 2^m + 1 nor of the form p + 2^m - 1 with p prime. A270446

Number of binary strings of length n avoiding 4-antipowers. A275061

Least n such that nextprime(p·n) > p·nextprime(n) where p runs through the prime numbers (if p is prime then nextprime(p)=p). A117102

Array read by antidiagonals: T(n,k) (n>=1, k>=1) = number of ways to select four points from an n X k grid so that three of them form a triangle of nonzero area and the extra point is on one of the edges of the triangle. A334710

Pseudoprimes to base 14. A20142