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Properties of the Number -7068

Sixty-Eight

Basics

Value: -7069 → -7068 → -7067

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 2 × 3 × 19 × 31

Divisors: 1, 2, 3, 4, 6, 12, 19, 31, 38, 57

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -1101110011100

Octal: -15634

Duodecimal: -4110

Hexadecimal: -1b9c

Square: 49956624

Square Root: 84.07139822793481

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

∏n>=1 1 / (1 - a(n)*xn) = 1 + ∑n>=1 prime(n+1)*xn. A353950
Number of series-reduced planted trees with n leaves. Also the number of essentially series series-parallel networks with n edges; also the number of essentially parallel series-parallel networks with n edges. A669
12-gonal (or dodecagonal) numbers: a(n) = n*(5·n-4). A51624
The number of n-full sets, F(n). A188431
Number of separable integer partitions of n without an alternating permutation. A345166
Number of ways to split a strict integer partition of n into consecutive subsequences with weakly decreasing sums. A319794
a(n) = σ(n)*σ(n+1)/gcd(σ(n+1), σ(n))2. A83538
3 times heptagonal numbers: a(n) = 3·n*(5·n-3)/2. A152773
Number of series-reduced rooted trees whose leaves span an initial interval of positive integers with multiplicities the integer partition with Heinz number n. A316655
Numbers k such that σ(x) = k has exactly 7 solutions. A60663