Properties of the Number -7471

Four Hundred Seventy-One

Basics

Value: -7472 → -7471 → -7470

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 31 × 241

Divisors: 1, 31, 241, 7471

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110100101111

Octal: -16457

Duodecimal: -43A7

Hexadecimal: -1d2f

Square: 55815841

Square Root: 86.43494663618414

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

Centered cube numbers: n³ + (n+1)³. A5898

18-gonal (or octadecagonal) numbers: a(n) = n*(8·n-7). A51870

Triangle T(n, k, j) = T(n-1, k, j) + T(n-1, k-1, j) + (2·j + 1)*prime(j)*T(n-2, k-1, j) with T(2, k, j) = prime(j) and j = 7, read by rows. A153652

Pseudoprimes to base 10. A5939

Number of distinct lines through the origin in 5-dimensional cube of side length n. A90027

Triangle read by rows: T(n,k) = number of distinct lines through the origin in the n-dimensional cubic lattice of side length k with one corner at the origin. A90030

Number of distinct lines through the origin in the n-dimensional lattice of side length 5. A90021

Number of ways writing 2ⁿ as unordered sums of 2 primes. A6307

Prefixing, suffixing or inserting a 7 in the number anywhere gives a prime. A69832

Irregular array read by rows in which row n lists the smallest elements, in ascending order, of conjecturally all primitive cycles of positive integers under iteration by the Collatz-like 3x-k function, where k = A226630(n). A226623