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Properties of the Number 22108

Twenty-Two Thousand One Hundred Eight

Basics

Value: 22107 → 22108 → 22109

Parity: even

Prime: No

Previous Prime: 22093

Next Prime: 22109

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 2 × 5527

Divisors: 1, 2, 4, 5527, 11054, 22108

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101011001011100

Octal: 53134

Duodecimal: 10964

Hexadecimal: 565c

Square: 488763664

Square Root: 148.6875919503709

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

Values·corresponding to the records d in A179406. A179407
Triangle, read by rows, where row n equals the coefficients of yk in Rn-1(y+y2) for k=1..n where Rn(y) is the n-th row polynomial in y for n>1 with R1(y)=y. A187005
Positive numbers k such that the centered cube number k3 + (k+1)3 is equal to the difference of two positive cubes and to A352759(n). A355751
Total number of prime power parts in all partitions of n. A73335
A diagonal of triangle A187005. A187006
Determinant of the matrix [Jacobi(i - j, 2n + 1)]_{0 < i, j < n}, where Jacobi(a, m) denotes the Jacobi symbol (a/m). A372385
Partial sums of 3-almost primes which are again 3-almost primes, i.e., have exactly 3 not necessarily distinct prime factors. A217018
Maximal troughs in decimal expansions of π: positions of troughs equal to 8. A105276
Expansion of e.g.f. (2 - ex)-2. A5649
Kaprekar numbers: positive numbers n such that n = q+r and n2 = q·10m+r, for some m >= 1, q >= 0 and 0 <= r < 10m, with n ≠ 10a, a >= 1. A6886