Properties of the Number 45880

Forty-Five Thousand Eight Hundred Eighty

Basics

Value: 45879 → 45880 → 45881

Parity: even

Prime: No

Previous Prime: 45869

Next Prime: 45887

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 5 × 31 × 37

Divisors: 1, 2, 4, 5, 8, 10, 20, 31, 37, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011001100111000

Octal: 131470

Duodecimal: 22674

Hexadecimal: b338

Square: 2104974400

Square Root: 214.19617176784462

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

a(n) = n*(n+1)*(n+2)*(n+7)/24. A5582

Starts of runs of 3 consecutive Pell-Niven numbers (A352320). A352322

The Wiener index of a chain of n triangles (i.e., joined like VVV..VV; here V is a triangle!). A143941

Expansion of g.f. 1 - 2·x*(-7 - 10·x + x²)/(x - 1)⁴. A152100

Numbers k such that there is a primitive Pythagorean triple with perimeter k and inradius r such that p + r, p - r, p + r² and |p - r²| are all prime. A392988

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 403", based on the 5-celled von Neumann neighborhood. A271808

Integers whose square root is "well approximated" by other square roots of integers. A45880

Number of (3+1)X(n+1) arrays of permutations of 0..n·4+3 filled by rows with each element moved a city block distance of 0 or 1, and rows and columns in increasing lexicographic order. A263521