Properties of the Number -245157

Two Hundred Forty-Five Thousand One Hundred Fifty-Seven

Basics

Value: -245158 → -245157 → -245156

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 11 × 17 × 19 × 23

Divisors: 1, 3, 11, 17, 19, 23, 33, 51, 57, 69

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111011110110100101

Octal: -736645

Duodecimal: -B9A59

Hexadecimal: -3bda5

Square: 60101954649

Square Root: 495.1333153808174

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

Eighth convolution of A115140. A115147

a(n) = ∑_k=0..n (-1)^n-k*binomial(n, k)²*hypergeom([(k-n)/2, (k-n+1)/2], [k+2], 4). A344503

a(n) = binomial coefficient C(n,7). A580

a(n) = binomial(3n-1, n-1). A25174

a(n) = 8·binomial(2·n+1,n-3)/(n+5). A3518

Number A(n,k) of n-member subsets of [k·n] whose elements sum to a multiple of k; square array A(n,k), n>=0, k>=0, read by antidiagonals. A318557

Triangle T(n,k) = binomial(3·n - 2·k, 2·n - k), 0 <= k <= n. A264772

Triangle, read by antidiagonals, where T(n,k) = C(n+n·k+k, n·k+k). A60543

Triangle read by rows, where the g.f. satisfies A(x, y) = 1 + x·A(x, y)² + x·y*A(x, y)³. A104978

a(n) = binomial(2n+1,n-4). A30054