Properties of the Number 54157

Fifty-Four Thousand One Hundred Fifty-Seven

Basics

Value: 54156 → 54157 → 54158

Parity: odd

Prime: No

Previous Prime: 54151

Next Prime: 54163

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 31 × 1747

Divisors: 1, 31, 1747, 54157

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101001110001101

Octal: 151615

Duodecimal: 27411

Hexadecimal: d38d

Square: 2932980649

Square Root: 232.71656580484338

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) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = n - 1 - 2^p and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1, a(2) = 3, and a(3) = 1. A49918

Number of positive integers <= 2ⁿ of form 2 x² + 7 y². A54157