Properties of the Number 54691

Fifty-Four Thousand Six Hundred Ninety-One

Basics

Value: 54690 → 54691 → 54692

Parity: odd

Prime: No

Previous Prime: 54679

Next Prime: 54709

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 × 13 × 601

Divisors: 1, 7, 13, 91, 601, 4207, 7813, 54691

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101010110100011

Octal: 152643

Duodecimal: 27797

Hexadecimal: d5a3

Square: 2991105481

Square Root: 233.86106986841568

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

Triangle read by rows: T(n,k) is the number of regions between the free polyominoes, with n cells and length k, and their bounding boxes, n >= 1, k >= 1. A380284

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = ∑_j=0..n k^j * binomial(n,j) * binomial(2·j,j). A340970

Numbers whose set of base-15 digits is {1,3}. A32922

The Wiener index of the straight pentachain of n pentagonal rings (see Fig. 2.1 in the A. A. Ali et al. reference). A224459

Number of partitions of n into parts not of the form 23k, 23k+9 or 23k-9. Also number of partitions with at most 8 parts of size 1 and differences between parts at distance 10 are greater than 1. A35997

New records in A054690 (start of n consecutive non-twin primes). A54691