Properties of the Number 55403

Fifty-Five Thousand Four Hundred Three

Basics

Value: 55402 → 55403 → 55404

Parity: odd

Prime: No

Previous Prime: 55399

Next Prime: 55411

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 17 × 3259

Divisors: 1, 17, 3259, 55403

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101100001101011

Octal: 154153

Duodecimal: 2808B

Hexadecimal: d86b

Square: 3069492409

Square Root: 235.37841872185308

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

Tribonacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) with a(0)=0, a(1)=1, a(2)=0. A1590

Expansion of (1-x)/(1+x-x²+x³). A78042

a(n) = ∑_k=0..n T(n, k), array T as in A047080. A47081

Consider all quadruples {a,b,c,d} which reach {k,k,k,k} in n steps under map {a,b,c,d}->{|a-b|,|b-c|,|c-d|,|d-a|}; look at max{a,b,c,d}; sequence gives minimal value of this. A45794

Minimum value t such that all quadruples of Diffy_length >= n have a maximal value >= t. A65678

Tribonacci sequences A000073 and A001590 interleaved. A213816

Number of compositions of n into parts 2 and 3 with at least one 2 and one 3. A245332

Row sums of array T as in A055215. A54405

a(n) = 76·n² - 1. A158765

Coefficient of·in the reduction of the polynomial (x² + x + 1)ⁿ by x³ -> x² + x + 1. A192807