Properties of the Number -30157

Thirty Thousand One Hundred Fifty-Seven

Basics

Value: -30158 → -30157 → -30156

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 53 × 569

Divisors: 1, 53, 569, 30157

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111010111001101

Octal: -72715

Duodecimal: -15551

Hexadecimal: -75cd

Square: 909444649

Square Root: 173.65770930194836

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) = 140·k³*(n-k)³ - 14·k*(n-k) + 1; n >= 0, 0 <= k <= n. A300785

T(n,k)=Number of nXk 0..4 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. A201033

Numerator of best rational approximation x/y of log(k), y<=k, with k>1 given by A306975. The corresponding denominators are given in A306977. A306976

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (0, 1, 0), (0, 1, 1), (1, -1, -1)}. A149899

Number of nX4 1..2 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order. A166786

Number of n X n 0..4 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. A201026

Number of nX4 0..4 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. A201029