Properties of the Number 63954

Sixty-Three Thousand Nine Hundred Fifty-Four

Basics

Value: 63953 → 63954 → 63955

Parity: even

Prime: No

Previous Prime: 63949

Next Prime: 63977

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 11 × 17 × 19

Divisors: 1, 2, 3, 6, 9, 11, 17, 18, 19, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111100111010010

Octal: 174722

Duodecimal: 31016

Hexadecimal: f9d2

Square: 4090114116

Square Root: 252.8912809884912

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

Consider the Kaprekar map n->K(n) defined in A151949. Sequence gives numbers belonging to cycles of length greater than 1. A99010

Consider the Kaprekar map n->K(n) defined in A151949. Sequence gives numbers belonging to cycles, including fixed points. A164716

Shiraishi numbers: a parametrized family of solutions c to the Diophantine equation a³ + b³ + c³ = d³ with d = c+1. A226903

a(n) = (2/(3·n-1))*binomial(3·n,n). A24485

a(n) = number of (s(0), s(1), ..., s(2·n-1)) such that s(i) is a nonnegative integer and |s(i) - s(i-1)| = 1 for i = 1,2,...,n, s(0) = 2, s(2·n-1) = 5. Also a(n) = T(2·n-1,n-2), where T is the array defined in A026009. A26017

Expansion of Molien series for 32-D extraspecial group 2^1+2·5. A30536

Triangle of coefficients of polynomials v(n,x) jointly generated with A210755; see the Formula section. A210756

Numbers n such that n² = (1/3)*(n+floor(sqrt(3)*n·floor(sqrt(3)*n))). A81065

Numbers n such that 6·10ⁿ + 8·R_n - 1 is prime, where R_n = 11...1 is the repunit (A002275) of length n. A103046

Indices of primes occurring in A030284. A107365