Properties of the Number 87949

Eighty-Seven Thousand Nine Hundred Forty-Nine

Basics

Value: 87948 → 87949 → 87950

Parity: odd

Prime: No

Previous Prime: 87943

Next Prime: 87959

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 37 × 2377

Divisors: 1, 37, 2377, 87949

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011110001101

Octal: 253615

Duodecimal: 42A91

Hexadecimal: 1578d

Square: 7735026601

Square Root: 296.56196654325043

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

Numbers n such that n = (a₁ + a₂ + ... + a_p)*(a₁³ + a₂³ + ... + a_p³), where n has the decimal expansion a_1a_2...a_p. A130680

Group successively larger prime numbers so that the sum of the n-th group is a multiple of n. Sequence gives the sum for each group. A74128

Expansion of e.g.f. exp(exp(3·x) - x - 1). A367785

Strong pseudoprimes to base 87. A20313

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (0, 0, -1), (0, 1, 0), (0, 1, 1), (1, 0, 1)}. A151132

G.f. satisfies A(x) = 1 + x·A(x·A(x)). A87949