Properties of the Number 1954

One Thousand Nine Hundred Fifty-Four

Basics

Value: 1953 → 1954 → 1955

Parity: even

Prime: No

Previous Prime: 1951

Next Prime: 1973

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 977

Divisors: 1, 2, 977, 1954

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11110100010

Octal: 3642

Duodecimal: 116A

Hexadecimal: 7a2

Square: 3818116

Square Root: 44.204072210600685

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 of sum-free subsets of {1, ..., n}. A7865

a(n) = 1 + n + 2·n². A84849

Number of partitions of n such that 2*(least part) = (number of parts). A237757

Number of partitions of n into odd parts in which no part appears more than thrice. A70048

Number of transitive permutation groups of degree n. A2106

Number of different chromatic polynomials of a simple graph with n nodes. A229048

Number of partitions of n such that the set of even parts has only one element. A90867

Circle numbers (version 2): a(n) is the number of points (i,j), i,j integers, contained in a circle of diameter n, centered at (0, 1/2). A53414

Numbers n such that Q(sqrt(n)) has class number 6. A218038

Number A(n,k) of tilings of a k X n rectangle using pentominoes of any shape and monominoes; square array A(n,k), n>=0, k>=0, read by antidiagonals. A278657