Properties of the Number 71456

Seventy-One Thousand Four Hundred Fifty-Six

Basics

Value: 71455 → 71456 → 71457

Parity: even

Prime: No

Previous Prime: 71453

Next Prime: 71471

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁵ × 7 × 11 × 29

Divisors: 1, 2, 4, 7, 8, 11, 14, 16, 22, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10001011100100000

Octal: 213440

Duodecimal: 35428

Hexadecimal: 11720

Square: 5105959936

Square Root: 267.31255114565795

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 diagonal dissections of an n-gon into 3 regions. A33275

a(n) = (n-1)*(n-2)*(n+3)*(n+2)/12. A299120

15-gonal (or pentadecagonal) pyramidal numbers: a(n) = n*(n+1)*(13·n-10)/6. A177890

Sequence of pairs numerator(s(n)), denominator(s(n)) where s(n) is the n-th partial sum of 1/A119752(n). A120342

Sprague-Grundy values for octal game .13377. A71456