Properties of the Number 80451

Eighty Thousand Four Hundred Fifty-One

Basics

Value: 80450 → 80451 → 80452

Parity: odd

Prime: No

Previous Prime: 80449

Next Prime: 80471

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 1277

Divisors: 1, 3, 7, 9, 21, 63, 1277, 3831, 8939, 11493

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: 10011101001000011

Octal: 235103

Duodecimal: 3A683

Hexadecimal: 13a43

Square: 6472363401

Square Root: 283.6388548841643

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

Numbers k such that 5·2^k - 3 is prime. A58588

Sixth column (r=5) of FS(3) staircase array A062745. A62749

Expansion of the e.g.f. (exp(x) / (5 - 4·exp(x)))^3/5. A367375

Expansion of 1/(∑_k>=0 x^k³)³. A363777

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 1), (0, 0, 1), (0, 1, 0), (1, 0, -1)}. A150134

a(1) = 7, a(n) = smallest (nontrivial) multiple of a(n-1) containing n digits, a(n) not equal to 10·a(n-1). A80451