Properties of the Number 91402

Ninety-One Thousand Four Hundred Two

Basics

Value: 91401 → 91402 → 91403

Parity: even

Prime: No

Previous Prime: 91397

Next Prime: 91411

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 23 × 1987

Divisors: 1, 2, 23, 46, 1987, 3974, 45701, 91402

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110010100001010

Octal: 262412

Duodecimal: 44A8A

Hexadecimal: 1650a

Square: 8354325604

Square Root: 302.3276368445333

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

Numerators of continued fraction convergents to sqrt(201). A41372

T(n,k) counts ordered complete ternary trees with 2·n-1 leaves having k internal vertices colored black, the remaining n-1-k internal vertices colored white, and such that each vertex and its rightmost child have different colors. A196201

Expansion of e.g.f. ( (1/x) * Series_Reversion( x·exp(-x / (1 - x)²) ) )². A380801

Erroneous version of A091401. A91402