Properties of the Number 71949

Seventy-One Thousand Nine Hundred Forty-Nine

Basics

Value: 71948 → 71949 → 71950

Parity: odd

Prime: No

Previous Prime: 71947

Next Prime: 71963

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 29 × 827

Divisors: 1, 3, 29, 87, 827, 2481, 23983, 71949

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001100100001101

Octal: 214415

Duodecimal: 35779

Hexadecimal: 1190d

Square: 5176658601

Square Root: 268.23310757622744

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

Growth series for affine Coxeter group B₄. A267167

Number of edges in a complete bipartite graph where the vertices in the two parts are placed on opposite sides of a parabola at integer y coordinates y = 1, 2, ...n. A392444

Number of (n+1) X (6+1) 0..1 arrays with every 2 X 2 subblock antidiagonal maximum minus diagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal minimum nondecreasing vertically. A253395

Expansion of 1/((1-2x)(1-4x)(1-9x)(1-10x)). A25980

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (0, 0, -1), (0, 1, -1), (0, 1, 1), (1, 0, -1)}. A149104

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 870", based on the 5-celled von Neumann neighborhood. A273704

Triangle read by rows of numbers of paths in a lattice satisfying certain conditions. A71949