Properties of the Number 56401

Fifty-Six Thousand Four Hundred One

Basics

Value: 56400 → 56401 → 56402

Parity: odd

Prime: Yes

Previous Prime: 56393

Next Prime: 56417

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 56401

Divisors: 1, 56401

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101110001010001

Octal: 156121

Duodecimal: 28781

Hexadecimal: dc51

Square: 3181072801

Square Root: 237.48894711122873

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

Expansion of e.g.f. 1/(2 - exp(4·x))^1/4. A352119

Value of prime number D for incrementally largest values of minimal·satisfying the equation x² - D·y² = -5. A341083

Value of prime number D for incrementally largest values of minimal y satisfying the equation x² - D·y² = -5. A341085

Prime terms of A000328. A381017

Number of 2n-bead black-white complementable necklaces with n black beads and fundamental period 2n. A45632

Row 4 of A007754. A58795

Number of n X 1 1..2 arrays with every element value z a city block distance of exactly z from another element value z. A209603

Number of n X 3 0..1 arrays with antidiagonals unimodal and rows and diagonals nondecreasing. A224033

Result of inserting the integers n = 0, 1, 2, ... in this order into an initially empty list, where n is inserted between the pair of consecutive elements with sum equal to n and minimal absolute difference, or at the end of the list if no such pair exists. A360447

Number of planar n X n X n binary triangular grids symmetric both under 120 degree rotation and reflection with no more than 9 ones in any 4 X 4 X 4 subtriangle. A153967