Properties of the Number 55940

Fifty-Five Thousand Nine Hundred Forty

Basics

Value: 55939 → 55940 → 55941

Parity: even

Prime: No

Previous Prime: 55933

Next Prime: 55949

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 2797

Divisors: 1, 2, 4, 5, 10, 20, 2797, 5594, 11188, 13985

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101101010000100

Octal: 155204

Duodecimal: 28458

Hexadecimal: da84

Square: 3129283600

Square Root: 236.51638421048128

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 non-isomorphic multiset partitions of weight n where the nonzero entries of the incidence matrix are all distinct. A321661

Expansion of q^-3 * (η(q) * η(q⁸))⁸ in powers of q. A34433

Number of binary strings of length n with equal numbers of 0001 and 0011 substrings. A164156

Numbers k for which k = φ(k') + φ(k''), where φ is the Euler totient function (A000010), k' the arithmetic derivative of k (A003415) and k'' the second arithmetic derivative of k (A068346). A352332

a(n) = binomial(3n,n). A5809

Counterbalanced numbers: Composite numbers k such that φ(k)/(σ(k)-k) is an integer. A55940